| Keuffel and Esser |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Sep-2004 |
| "K&E Slide Rule 4110 Keuffel&Esser Co,New York | $170.30 | 16-Sep-2004 | 9 |
| Slide Rule Manual K&E Keuffel Esser NINE (9) M | $160.37 | 18-Sep-2004 | 7 |
| "K & E N4101 20"" Stadia Slide Rule" | $157.50 | 08-Sep-2004 | 9 |
| "K&E DECI-LON 7"" Slide Rule with Leather Case | $130.27 | 15-Sep-2004 | 24 |
| Keuffel & Esser 4041 Slide Rule * Metal Cursr | $104.17 | 03-Sep-2004 | 11 |
| 6 K&E Keuffel & Esser Slide Rule Manuals | $96.00 | 25-Sep-2004 | 6 |
| K & E DECI-LON 10 ENGINEER'S SLIDE RULE | $91.00 | 17-Sep-2004 | 14 |
| MINT K&E 4100 Surveyor Surveying Slide Rule. | $84.34 | 15-Sep-2004 | 9 |
| 1909 Keuffel & Esser Catalogue LL Duplex Slide | $83.50 | 06-Sep-2004 | 10 |
| VINTAGE KEUFFEL& ESSER CO.SLIDE RULE 4081-5 | $78.77 | 15-Sep-2004 | 10 |
| Keuffel Esser K+E Deci-lon 1130 Pocket Slide R | $76.00 | 16-Sep-2004 | 15 |
| K&E Deci-Lon 10 Slide Rule 68 1100 & Instructi | $73.00 | 30-Sep-2004 | 14 |
| K&E Deci-Lon 10 Slide Rule & Instruction Book | $72.00 | 27-Sep-2004 | 7 |
| Keuffel & Esser N-4100 Stadia Civil Eng Slide | $68.00 | 07-Sep-2004 | 11 |
| K&E Deci-Lon 10 # 68 1100 Slide Rule w/ case + | $66.00 | 03-Sep-2004 | 11 |
| "K & E Deci-Lon 10 slide rule, case, + 2nd sli | $65.00 | 27-Sep-2004 | 18 |
| Vintage K&E DECI-LON Slide Rule w/Leather Case | $61.01 | 12-Sep-2004 | 13 |
| K&E (Keuffel Esser) DECI-LON Slide Rule + Case | $58.00 | 06-Sep-2004 | 11 |
| "Vintage K & E Slide Rule - - New in Box, Case | $52.99 | 22-Sep-2004 | 4 |
| Vintage Keuffel & Esser Co DECI LoN 10 Slide R | $52.77 | 27-Sep-2004 | 14 |
| KEUFFEL & ESSER VINTAGE SLIDE RULE 10 DECI-LON | $51.00 | 24-Sep-2004 | 10 |
| 1940's Mahogany Keuffel & Esser Slide Rule Cas | $49.99 | 07-Sep-2004 | 1 |
| "Vintage K & E Slide Rule 10"" Deci-Lon 1961 w | $47.99 | 21-Sep-2004 | 15 |
| "KEUFFEL & ESSER SLIDE RULE ,MINT 12 1/2 LONG" | $47.00 | 22-Sep-2004 | 4 |
| VINTAGE K&E KEUFFEL & ESSER SLIDE RULE 4181-1 | $44.00 | 05-Sep-2004 | 6 |
| 1961 K&E DECI-LON 10 SLIDE RULE PLUS LEATHER C | $41.50 | 28-Sep-2004 | 11 |
| K&E SLIDE RULE MAGNIFIER MINT IN BOX 4185-17 | $41.03 | 02-Sep-2004 | 7 |
| "SLIDE RULE - 12"" - K & E - Inst. Manual & Le | $41.00 | 27-Sep-2004 | 7 |
| KEUFFEL & ESSER CO. (K&E) SLIDE RULE | $39.88 | 20-Sep-2004 | 5 |
| Lot of 2 K&E Slide Rule Rulers w/ Leather Case | $38.77 | 26-Sep-2004 | 5 |
| VINTAGE KEUFFEL & ESSER N4088-5 SLIDE RULE NIC | $38.50 | 13-Sep-2004 | 10 |
| K & E Slide Rule MAGNIFIER No. 4185C - NEW IN | $38.00 | 12-Sep-2004 | 6 |
| K & E 4081-3 SLIDE RULE | $35.00 | 10-Sep-2004 | 1 |
| 1924 Keuffel & Esser Mannheim Slide Rule | $34.00 | 15-Sep-2004 | 4 |
| "K&E 68-1251 slide rule, case + Jet-Log/Decitr | $34.00 | 07-Sep-2004 | 8 |
| Very Long-22½ Inches-K&E Slide Rule W/Case | $33.11 | 06-Sep-2004 | 6 |
| Rare Keuffel & Esser USAAF Dead Rec Circular S | $33.10 | 17-Sep-2004 | 6 |
| 1947 Keuffel & Esser SLIDE RULE With Box Case | $33.00 | 15-Sep-2004 | 9 |
| "Slide Rule Keuffel & Esser Co Polyphase 1900 | $32.22 | 26-Sep-2004 | 7 |
| 20 INCH K&E SLIDE RULE NO N4053-5 | $32.00 | 02-Sep-2004 | 9 |
| Keuffel & Esser Co. SLIDE RULE (c)1947 w/leath | $30.99 | 20-Sep-2004 | 2 |
| WW2 Keuffel Esser 4081-3 Log Log Decitrig Slid | $30.00 | 16-Sep-2004 | 17 |
| "KEUFFEL & ESSER CO. SLIDE RULE, SCIENTIFIC IN | $29.99 | 29-Sep-2004 | 1 |
| RARE Special Edition K&E Doric pocket slide ru | $29.21 | 27-Sep-2004 | 7 |
| kEUFFEL AND ESSER DECI-LON 10 SLIDE RULE | $29.00 | 05-Sep-2004 | 9 |
| Celedon Green K&E 4168 Doric Slide Rule & Leat | $28.77 | 23-Sep-2004 | 5 |
| K&E Decitrig (4081 - 4181) Slide Rule Instruct | $27.99 | 20-Sep-2004 | 5 |
| K&E Deci-Lon 10 #68 1100 Slide Rule W/case. Ni | $26.99 | 26-Sep-2004 | 7 |
| Vintage Keuffel & Esser Co. Slide Rule & Origi | $26.77 | 12-Sep-2004 | 4 |
| Keuffel & Esser Slide Rule Log Log Duplex Deci | $26.59 | 14-Sep-2004 | 4 |
| "Keuffel & Esser 4088-5 20"" Slide Rule w/Case | $26.22 | 17-Sep-2004 | 7 |
| VINTAGE SLIDE RULE DRAFTING LOT K&E NR! | $26.00 | 22-Sep-2004 | 9 |
| "Keuffel & Esser DECILON Slide Rule, Case" | $25.49 | 30-Sep-2004 | 9 |
| KEUFFEL & ESSER CO. (K&E) SLIDE RULE | $25.00 | 14-Sep-2004 | 1 |
| "KEUFFEL & ESSER SLIDE RULE,OLD,MINT COND. 10 | $24.95 | 22-Sep-2004 | 1 |
| "Vintage K&E Military 22"" Base Triangulation | $24.50 | 19-Sep-2004 | 6 |
| LOT: Keuffel and Esser Slide Rule and manuals | $24.50 | 06-Sep-2004 | 4 |
| 1943 WW2 Keuffel & Esser Drafting & Slide Rule | $24.00 | 19-Sep-2004 | 2 |
| "K&E 4080-3 Slide Rule, Case, Manual & Box" | $23.50 | 23-Sep-2004 | 15 |
| Keuffel & Esser slide rule 68 1210 copyright 1 | $23.50 | 05-Sep-2004 | 7 |
| "K&E 4181-3 Ivorite Slide Rule, Case and Box" | $23.37 | 20-Sep-2004 | 9 |
| K&E SLIDE RULE NO 4133 IN CASE UNUSUAL SIZE 8 | $22.72 | 30-Sep-2004 | 3 |
| Slide Rule N4053-5 Antique Keuffel & Esser | $22.27 | 15-Sep-2004 | 3 |
| 4083-3 Keuffel & Esser slide rule k+e log log | $21.75 | 26-Sep-2004 | 5 |
| K & E Slide Rule 4181-1 | $21.50 | 17-Sep-2004 | 7 |
| "KEUFFELEL & ESSER SLIDE RULE,K&E( MUST SEE!!! | $21.50 | 26-Sep-2004 | 8 |
| "K&E 4097C Pocket Slide Rule, Case, Box & Inst | $20.51 | 24-Sep-2004 | 6 |
| K & E Slide Rules Rule Instruction Manual Book | $20.50 | 13-Sep-2004 | 5 |
| OLD Keuffel & Esser K & E SLIDE RULE Indicator | $20.00 | 04-Sep-2004 | 6 |
| "K&E 4081-3 Slide Rule, Leather Case and Manua | $19.51 | 23-Sep-2004 | 9 |
| 1962 K & E Deci-Lon Slide Rule Instruction &Pr | $19.25 | 05-Sep-2004 | 5 |
| Vintage 1947 KEUFFEL & ESSER Co. Slide Rule~41 | $18.53 | 20-Sep-2004 | 8 |
| "K&E 4081-3 Slide Rule, Case & Manual" | $18.27 | 23-Sep-2004 | 6 |
| K + E Slide Rules Rule Manual Jet Log Log Log | $18.27 | 27-Sep-2004 | 2 |
| 1947 KEUFFEL & ESSER SLIDE RULE - 4081-3 with | $17.50 | 12-Sep-2004 | 4 |
| Vintage K & E Slide Rule/Leather Case~4082-3 & | $17.17 | 30-Sep-2004 | 3 |
| Keuffel and Esser 1947 Slide Rule with Leather | $17.10 | 06-Sep-2004 | 3 |
| "K+E, K&E vintage slide rule, Keuffel & Esser | $16.50 | 29-Sep-2004 | 7 |
| very rare Keuffel & Esser flexible curve (slid | $16.50 | 12-Sep-2004 | 3 |
| K&E Book-SIMPLIFYING THE SLIDE RULE WHAT IS TH | $16.50 | 25-Sep-2004 | 4 |
| Vintage Keuffel & Esser Co. Slide Rule | $16.37 | 24-Sep-2004 | 2 |
| "K & E Log Log Duplex Decitrig Slide Rule, Mod | $16.28 | 05-Sep-2004 | 5 |
| K&E 4088-3 Slide Rule with Case and Manual | $16.27 | 24-Sep-2004 | 6 |
| Vintage Keuffel & Esser Slide Rule in Box! | $16.25 | 18-Sep-2004 | 6 |
| Circa 1900 Keuffel & Esser CO. N.Y. Slide Rule | $16.16 | 11-Sep-2004 | 6 |
| Keuffel & Esser Slide Rule and Leather case an | $16.02 | 27-Sep-2004 | 4 |
| "Vintage K & E 4055 slide rule w. case, box, p | $16.01 | 29-Sep-2004 | 9 |
| Vintage Keuffel & Esser 4070-3 Slide Rule | $16.00 | 05-Sep-2004 | 5 |
| K&E Slide Rule Orange Leather Case/Box/Manuals | $15.99 | 22-Sep-2004 | 1 |
| Slide Rule K&E Keuffel & Esser # 4181-1 w/ cas | $15.88 | 15-Sep-2004 | 4 |
| KEUFFEL & ESSER - SLIDE RULE - old w/ leather | $15.50 | 29-Sep-2004 | 7 |
| Vintage Keuffel and Esser Slide Rule with Leat | $15.50 | 16-Sep-2004 | 2 |
| K & E N4081-3 LOG LOG DUPLEX DECITRIG Slide Ru | $15.50 | 12-Sep-2004 | 3 |
| "Keuffel & Esser Slide Rule, Case & Manual, N- | $15.27 | 26-Sep-2004 | 7 |
| Mint Antique Kueffel & Esser Slide Rule | $15.25 | 19-Sep-2004 | 7 |
| Mint Antique Kueffel & Esser Slide Rule | $15.25 | 19-Sep-2004 | 7 |
| K&E Keuffel & Esser SLide Rule Catalog Manufac | $15.05 | 25-Sep-2004 | 5 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 1908 | $15.00 | 13-Sep-2004 | 5 |
| K & E SLIDE RULE MAGNIFIER---!! | $15.00 | 17-Sep-2004 | 6 |
| K & E Keuffel & Esser Slide Rule and Other Rul | $15.00 | 16-Sep-2004 | 4 |
| K&E 4081-3 Log Duplex Decitrig Slide Rule Leat | $14.99 | 22-Sep-2004 | 1 |
| Keuffel & Esser Duplex Slide Rule/Leather Case | $14.27 | 16-Sep-2004 | 7 |
| "1908 Keuffel & Esser SLIDE RULE, in case /woo | $14.00 | 08-Sep-2004 | 5 |
| Vintage K&E N4081 Slide Rule & Manual & Case | $13.50 | 19-Sep-2004 | 4 |
| Vintage K&E N4081 Slide Rule & Manual & Case | $13.50 | 19-Sep-2004 | 4 |
| K & E Keuffel & Esser Sliderule Slide Rule 2 P | $13.27 | 16-Sep-2004 | 5 |
| Keuffel & Esser Slide Rule Log Log Duplex Trig | $13.01 | 17-Sep-2004 | 6 |
| Keuffel & Esser Engineers slide rule 4081-3 in | $13.00 | 19-Sep-2004 | 2 |
| Keuffel & Esser Engineers slide rule 4081-3 in | $13.00 | 19-Sep-2004 | 2 |
| K&E slide rule patent 2086502 w. leather case | $13.00 | 26-Sep-2004 | 4 |
| 1947 Keuffel & Esser Co Slide Rule N 4081-3 W/ | $12.61 | 19-Sep-2004 | 12 |
| 1947 K&E SLIDE RULE 4081-3 WITH BOX CASE & INS | $12.61 | 09-Sep-2004 | 4 |
| K&E LL Trig Duplex Slide Rule 4080-3C | $12.50 | 19-Sep-2004 | 2 |
| K & E~SLIDE RULE~WOOD LAMINATE?~LEATHER CASE~F | $12.50 | 02-Sep-2004 | 2 |
| 1947 ESTATE SLIDE RULE KEUFFEL & ESSER LEATHER | $12.17 | 01-Sep-2004 | 2 |
| K & E Mannheim 1930's Vintage Slide Rule w/ Ca | $12.00 | 06-Sep-2004 | 13 |
| Keuffel & Esser 1947 Slide Rule N4083-3 + Case | $12.00 | 02-Sep-2004 | 3 |
| 1924 Keuffel & Esser Company Slide Rule With C | $11.99 | 12-Sep-2004 | 1 |
| KEUFFEL&ESSER LOG LOG DUPLEX DECITRIG SLIDE RU | $11.61 | 19-Sep-2004 | 3 |
| KEUFFEL & ESSER K & E SLIDE RULE Indicator Gla | $11.60 | 06-Sep-2004 | 5 |
| Keuffel & Esser Slide Rule # 4053-3 | $11.05 | 07-Sep-2004 | 4 |
| "K&E LOG LOG DUPLEX DECITRIG SLIDE RULE,CASE" | $10.63 | 05-Sep-2004 | 10 |
| "Slide Rule, Quick & Easy Methods of Calc. - R | $10.51 | 02-Sep-2004 | 4 |
| K & E Log Log Duplex Decitrig Slide Rule | $10.51 | 10-Sep-2004 | 5 |
| NICE ANTIQUE KEUFFEL & ESSER K & E POLYPHASE S | $10.50 | 09-Sep-2004 | 5 |
| K & E Manual for #4080 Slide Rule | $10.50 | 12-Sep-2004 | 4 |
| Vintage Keuffel & Hesser Slide Rule Tool. | $10.50 | 15-Sep-2004 | 11 |
| Keuffel & Esser K&E Slide Rule w/ box and leat | $10.50 | 20-Sep-2004 | 2 |
| K&E Log Log Duplex Decitrig Slide Rule Book Ma | $10.50 | 16-Sep-2004 | 3 |
| VINTAGE SLIDE RULE K&E HUGHES OWENS ACUMATH ST | $10.49 | 19-Sep-2004 | 2 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE ~ LEATHER C | $10.49 | 01-Sep-2004 | 2 |
| K&E 4153-1 Pocket Slide Rule & Leather Case | $10.05 | 02-Sep-2004 | 5 |
| Vintage 1945 Keuffel Esser Slide Rule Manual N | $10.00 | 20-Sep-2004 | 1 |
| K&E KEUFFEL & ESSER SLIDE RULE MANUAL 2 VINTAG | $10.00 | 05-Sep-2004 | 5 |
| KEUFFEL AND ESSER CO.N.Y SLIDE RULE W/CASE | $9.99 | 06-Sep-2004 | 1 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 15-Sep-2004 | 1 |
| "Vintage Keuffel & Esser 12 1/2"" Slide Rule 4 | $9.99 | 06-Sep-2004 | 1 |
| "K&E 4053) Polyphase Slide Rule&Case, Box" | $9.99 | 26-Sep-2004 | 1 |
| 1947 K & E Slide Rule # 4181-3 | $9.99 | 23-Sep-2004 | 1 |
| Vintage K&E Slide Rule | $9.99 | 09-Sep-2004 | 1 |
| K&E 4081-3 Log Log Duplex Decitrig Slide Rule | $9.99 | 03-Sep-2004 | 1 |
| "Slide Rule, Keuffel & Esser 4081-3, 1958" | $9.99 | 15-Sep-2004 | 1 |
| Slide Rule K & E Favorite 4056 with Case | $9.99 | 02-Sep-2004 | 1 |
| VINTAGE POST SLIDE RULE 1444K EXCELLENT CONDIT | $9.99 | 01-Sep-2004 | 1 |
| Keuffel & Esser 1920s SLIDE RULE 4092-3 | $9.99 | 24-Sep-2004 | 1 |
| Old KeuffeI @ Esser Slide Rule | $9.99 | 12-Sep-2004 | 1 |
| K & E POLYPHASE SLIDE RULE 4053-3 GERMANY | $9.99 | 01-Sep-2004 | 1 |
| 12 IN. SLIDE RULE K&E NO. 4092-3 - CASE | $9.99 | 18-Sep-2004 | 1 |
| K & E Co Slide Rule Pat Pend Doric 9068 &17802 | $9.99 | 05-Sep-2004 | 1 |
| K&E SLIDE RULE MANUAL - LOG LOG DUPLEX DECITRI | $9.99 | 19-Sep-2004 | 1 |
| K & E Slide Rule Manual N4081 - 1947 | $9.99 | 05-Sep-2004 | 1 |
| Vintage K & E Slide Rule/Leather Case~4053-3S | $9.99 | 30-Sep-2004 | 1 |
| "Mannheim 10"" Slide Rule w/case + box - K & E | $9.99 | 22-Sep-2004 | 1 |
| Keuffel & Esser Co. Slide Rule | $9.99 | 22-Sep-2004 | 1 |
| RARE VINTAGE K&E CO. SLIDE RULE MAGNIFIER MINT | $9.99 | 30-Sep-2004 | 1 |
| "1947 Keuffel & Esser N4081-3 Slide Rule Case, | $9.95 | 26-Sep-2004 | 1 |
| Vintage Keuffel & Esser Slide Rule Model N4053 | $9.95 | 25-Sep-2004 | 1 |
| K+E No. 4083 LOG LOG DUPLEX VECTOR SLIDE RULE | $9.50 | 09-Sep-2004 | 6 |
| Keuffel & Esser 9071-3 Doric Slide Rule W/Case | $9.50 | 15-Sep-2004 | 4 |
| KEUFFEL & ESSER CO. N.Y. SLIDE RULE-1900'S- SH | $9.50 | 16-Sep-2004 | 2 |
| "KEUFFEL & ESSER, slide rule 1924, w/ leather | $9.50 | 16-Sep-2004 | 1 |
| Nice K&E Polyphase slide rule in beautiful cas | $9.21 | 04-Sep-2004 | 6 |
| Keuffel & Esser K&E Log Log Duplex 4092-3 slid | $9.17 | 11-Sep-2004 | 3 |
| KEUFFEL & ESSER CO. N.Y. OAK SLIDE RULE PAT JU | $9.00 | 25-Sep-2004 | 1 |
| Keuffel & Esser Co. N.Y. Slide Rule Vintage | $9.00 | 25-Sep-2004 | 1 |
| Vintage Keuffel & Esser Slide Rule with leathe | $8.83 | 07-Sep-2004 | 3 |
| K+E manual Log Log Decitrig Slide Rule N4081 K | $8.50 | 19-Sep-2004 | 6 |
| K&E N4081 Log Log Duplex Decitrig Slide Rule M | $8.50 | 23-Sep-2004 | 6 |
| Keuffel Esser Slide Rule 4097C w/Case & Box | $7.99 | 14-Sep-2004 | 1 |
| Vintage K & E Slide Rule + Case + Instructiona | $7.99 | 08-Sep-2004 | 1 |
| Keuffel & Esser Wooden Slide Rule and Leather | $7.50 | 25-Sep-2004 | 2 |
| KEUFFEL & ESSER (K&E) #4088-3 SLIDE RULE/CASE | $7.50 | 07-Sep-2004 | 1 |
| K & E Co. Log Log Duplex Decitrig Slide Rule - | $7.50 | 04-Sep-2004 | 1 |
| Sliding scale Keuffel Esser slide rule home sc | $7.17 | 26-Sep-2004 | 3 |
| Vintage Keuffel & Esser Slide Rule w/Leather C | $7.06 | 13-Sep-2004 | 3 |
| Keuffel & Esser Co Polyphase Slide Rule/Leathe | $7.02 | 23-Sep-2004 | 3 |
| "copyright 1947 Keuffel & Esser Slide Rule-12 | $7.00 | 12-Sep-2004 | 1 |
| "Keuffel & Esser Slide Rule No. 4092. Pat. Dec | $6.99 | 19-Sep-2004 | 1 |
| Keuffel & Esser 4081-3 Slide Rule | $6.95 | 29-Sep-2004 | 1 |
| K&E Slide Rule Indicator Window No 68 2191 (ol | $6.50 | 13-Sep-2004 | 2 |
| Old Keuffel & Esser Indicator Glass For Slide | $6.50 | 24-Sep-2004 | 3 |
| K & E Kueffel & Esser Log Log Duplex Decitri s | $6.50 | 04-Sep-2004 | 3 |
| Keuffel&Esser 4053 The POLYHASE Slide Rule Boo | $6.50 | 20-Sep-2004 | 1 |
| "Keuffel & Esser # 4088-3 12"" Slide Rule very | $6.50 | 11-Sep-2004 | 2 |
| K&E Log Log Duplex Trig N4080 Slide Rule Manua | $6.48 | 16-Sep-2004 | 4 |
| K & E Keuffel & Esser Sliderule 4053-3 | $6.06 | 16-Sep-2004 | 4 |
| K+E No. 4081 LOG LOG DUPLEX DECITRIG SLIDE RUL | $6.00 | 09-Sep-2004 | 2 |
| K+E # 4081-3S Log Duplex Decitrig Slide Rule W | $6.00 | 21-Sep-2004 | 1 |
| "K&E N4053 Polyphase Slide Rule Manual, 1938" | $6.00 | 16-Sep-2004 | 4 |
| 1939 Keuffel & Esser (K&E) Slide Rule with Lea | $6.00 | 19-Sep-2004 | 2 |
| "vintage slide rule,Keuffel & Esser Co.N4058w, | $5.99 | 07-Sep-2004 | 1 |
| Keuffel & Esser Wood Beginners Slide Rule 4058 | $5.99 | 30-Sep-2004 | 1 |
| K+E 4080-3 LOG LOG DUPLEX TRIG SLIDERULE / CAS | $5.99 | 10-Sep-2004 | 1 |
| "Vintage K&E Slide Rule #4053-3, Mint W/Leathe | $5.50 | 16-Sep-2004 | 3 |
| Keuffel & Esser Log Duplex Decitrig Slide Rule | $5.50 | 05-Sep-2004 | 3 |
| Keuffel & esser 4080-3 Slide Rule | $5.25 | 18-Sep-2004 | 5 |
| "K&E, KEUFFEL & ESSER Co SLIDE RULE MANUAL No | $5.00 | 26-Sep-2004 | 1 |
| Keuffel & Esser Slide Rule | $5.00 | 13-Sep-2004 | 1 |
| Keuffel & Esser Co slide rule circa 1910 $5.00 | $5.00 | 02-Sep-2004 | 1 |
| old K & E slide rule in case | $5.00 | 13-Sep-2004 | 1 |
| 1947 Keuffel & Esser Slide Rule with Case~~VER | $5.00 | 20-Sep-2004 | 1 |
| ANTIQUE K & E Keuffel & Esser SLIDE RULE & CAS | $4.99 | 21-Sep-2004 | 1 |
| KEUFFEL & ESSER SLIDE RULE 1947 LEATHER CASE | $4.99 | 10-Sep-2004 | 1 |
| Slide Rule Manual No. 4161 Slide Rule Keuffel | $4.95 | 23-Sep-2004 | 1 |
| KEUFFEL& ESSER CO. # 4053 SLIDE RULE | $4.95 | 26-Sep-2004 | 1 |
| Keuffel & Esser Slide Rule w/Leather Case | $4.82 | 17-Sep-2004 | 3 |
| K&E Jet-Math (4161) Slide Rule Manual 68 2061 | $4.41 | 16-Sep-2004 | 4 |
| K+E 4091-3 SLIDE RULE W/ CASE NO RESERVE | $4.40 | 07-Sep-2004 | 3 |
| Keuffel Slide Rule & Paragon Ruler with Leathe | $4.33 | 12-Sep-2004 | 4 |
| Polyphase Slide Rule Book No. 4053/Keuffel & E | $4.24 | 23-Sep-2004 | 2 |
| Slide Rule Keuffel&Esser 4041 old | $4.12 | 19-Sep-2004 | 3 |
| KEUFFEL & ESSER SLIDE RULE 4081 - 3 | $4.00 | 03-Sep-2004 | 1 |
| "K+E slide rule ""CASE ONLY"" FOR Decitrig # 4 | $3.99 | 25-Sep-2004 | 1 |
| KEUFFEL&ESSER CO. ENGINEER'S SLIDE RULE | $3.99 | 20-Sep-2004 | 1 |
| K&E Log Log Duplex Decitrig N4081 Slide Rule M | $3.81 | 16-Sep-2004 | 3 |
| K&E 4097C Pocket Slide Rule with Case & Instru | $3.75 | 02-Sep-2004 | 2 |
| K+E slide rule manual log log Duplex Decitrig | $3.75 | 11-Sep-2004 | 2 |
| Vintage Keuffel & Esser Mini Slide Rule NO RES | $3.69 | 13-Sep-2004 | 2 |
| K&E 4053 Polyphase Slide Rule MANUAL (1925) | $3.36 | 23-Sep-2004 | 2 |
| "Antique Rulers C 1900 10"" 1903 K & E Slide R | $3.25 | 19-Sep-2004 | 9 |
| Keuffel & Esser POLYPHASE DUPLEX SLIDE RULE MA | $2.99 | 06-Sep-2004 | 1 |
| K & E SLIDE RULE BOX AND PAPERS~ONLY!!! 4053-3 | $2.99 | 02-Sep-2004 | 1 |
| Keuffel & Esser K&E 4058W Slide Rule | $2.99 | 22-Sep-2004 | 1 |
| K&E 4161 Slide Rule MANUAL (1952) | $2.81 | 23-Sep-2004 | 2 |
| Keuffel & Esser Slide Rule with case. Model 40 | $2.75 | 13-Sep-2004 | 2 |
| K&E Slide Rule manual | $2.75 | 15-Sep-2004 | 3 |
| Vintage K & E Slide Rule Manual | $2.75 | 25-Sep-2004 | 1 |
| "K&E Mannheim & Duplex Slide Rule MANUAL for 4 | $2.56 | 23-Sep-2004 | 2 |
| "K&E N4053 Polyphase Slide Rule MANUAL, 1944" | $2.00 | 24-Sep-2004 | 1 |
| LOG LOG Duplex Slide Rule Manual 1932 Keuffel/ | $1.99 | 29-Sep-2004 | 1 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE | $1.99 | 13-Sep-2004 | 1 |
| VINTAGE ~ SLIDE RULE w/ CASE ~ KEUFFEL & ESSER | $1.98 | 05-Sep-2004 | 3 |
| VINTAGE ~ SLIDE RULE w/ CASE ~ KEUFFEL & ESSER | $1.98 | 05-Sep-2004 | 3 |
| KEUFFEL & ESSER CO. N.Y VINTAGE SLIDE RULE 405 | $1.95 | 02-Sep-2004 | 1 |
| Mannheim Slide Rule Early 1900s Keuffel & Esse | $1.25 | 03-Sep-2004 | 3 |
| "Vintage 1916 Keuffel & Esser Wooden SLIDE RUL | $1.00 | 22-Sep-2004 | 1 |
| Beginners Slide Rule N4058W by Keuffel&Esser C | $0.99 | 21-Sep-2004 | 1 |
| SLIDE RULE WITH KEUFFEL & ESSER MANUAL | $0.99 | 26-Sep-2004 | 1 |
| Keuffel & Esser Wooden Slide Rule w/ Case | $0.99 | 23-Sep-2004 | 1 |
| K&E Log Log Duplex Decitrig Slide Rule Manuel | $0.97 | 24-Sep-2004 | 1 |
| K & E N4133 Roylance Electrical Slide Rule - r | $50.00 | 18-Sep-2004 | 0 |
| "KEUFFEL & ESSER CO. SLIDE RULE, SCIENTIFIC IN | $29.99 | 29-Sep-2004 | 0 |
| K & E POLYPHASE SLIDE RULE #4053-5 & CASE | $29.95 | 06-Sep-2004 | 0 |
| KEUFFEL ESSER SLIDE RULE K & E K&E with leathe | $24.99 | 08-Sep-2004 | 0 |
| "KEUFFEL & ESSER CO. SLIDE RULE, SCIENTIFIC IN | $24.99 | 22-Sep-2004 | 0 |
| "Keuffel and Esser #4168 Slide Rule w/Case, Ma | $24.95 | 26-Sep-2004 | 0 |
| K&E Slide Rule Vintage Leather Case | $24.95 | 05-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule 4081-3 LogLog Dup D | $19.99 | 02-Sep-2004 | 0 |
| 1947 Keuffel & Esser Slide Rule In Case Edward | $19.99 | 01-Sep-2004 | 0 |
| "Slide Rule, Keuffel & Esser 4081-3, 1958" | $19.99 | 06-Sep-2004 | 0 |
| "KEUFFEL & ESSER CO. SLIDE RULE, SCIENTIFIC IN | $19.99 | 15-Sep-2004 | 0 |
| Keuffel & Esser SLIDE RULE w/ leather case 408 | $19.98 | 29-Sep-2004 | 0 |
| VINTAGE KEUFFEL& ESSER CO.SLIDE RULE N 4053-3 | $19.95 | 14-Sep-2004 | 0 |
| VINTAGE KEUFFEL& ESSER CO.SLIDE RULE 4053-3 PA | $19.95 | 14-Sep-2004 | 0 |
| VINTAGE KEUFFEL+ ESSER SLIDE RULE & OTHER INST | $18.99 | 08-Sep-2004 | 0 |
| Antique Keuffel & Esser Slide Rule... Pre-1936 | $17.85 | 05-Sep-2004 | 0 |
| KEUFFEL & ESSER COMPANY ANTIQUE SLIDE RULE SLI | $15.00 | 03-Sep-2004 | 0 |
| "1900 KEUFFEL & ESSER CO. N.Y. SLIDE RULE, NIC | $14.99 | 26-Sep-2004 | 0 |
| "4 Slide rule lot, K & E sliderules" | $14.99 | 29-Sep-2004 | 0 |
| 1924 Keuffel & Esser Company Slide Rule With C | $13.99 | 05-Sep-2004 | 0 |
| KEUFFEL & ESSER LOG LOG DUPLEX DECITRIG SLIDE | $13.00 | 30-Sep-2004 | 0 |
| KEUFFEL & ESSER CO. SLIDE RULE PLASTIC OVER WO | $12.99 | 01-Sep-2004 | 0 |
| Original Keuffel & Esser Company Slide Rule wi | $10.00 | 05-Sep-2004 | 0 |
| Keuffel & Esser Co Slide Rule W/box | $10.00 | 15-Sep-2004 | 0 |
| Dec.1908 Keuffel & Esser Co Slide Rule W/box | $10.00 | 15-Sep-2004 | 0 |
| Original Keuffel & Esser Company Slide Rule wi | $10.00 | 21-Sep-2004 | 0 |
| Keuffel & Esser Co. Slide Rule | $10.00 | 01-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule and Leather case an | $9.99 | 20-Sep-2004 | 0 |
| VINTAGE 30's K&E (KEUFFEL & ESSER) SLIDE RULE | $9.99 | 20-Sep-2004 | 0 |
| Vintage K & E Log Log Duplex Slide Rule Model | $9.99 | 06-Sep-2004 | 0 |
| K&E 4053 Polyphase Slide Rule RULER &Case&BOX | $9.99 | 01-Sep-2004 | 0 |
| SLIDE RULE KEUFFEL AND ESSER/BEGINNERS SLIDE R | $9.99 | 22-Sep-2004 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 22-Sep-2004 | 0 |
| VINTAGE KEUFFEL & ESSER N4053-3 SLIDE RULE IN | $9.99 | 22-Sep-2004 | 0 |
| VINTAGE K&E SLIDE RULE & CASE N4058W NR! engin | $9.99 | 22-Sep-2004 | 0 |
| 1947 KEUFFEL & ESSER CO. SLIDE RULE w/case. 40 | $9.99 | 10-Sep-2004 | 0 |
| Vintage K & E Beginners Slide Rule | $9.99 | 23-Sep-2004 | 0 |
| Vintage Keuffel & Esser Beginner's Slide Rule- | $9.99 | 10-Sep-2004 | 0 |
| Vintage Keyffel & Esser Slide Rule in Box oak | $9.99 | 23-Sep-2004 | 0 |
| Vintage Keuffel & Esser Co. N.Y. Slide rule w/ | $9.99 | 05-Sep-2004 | 0 |
| Vintage KEUFFEL & ESSER Slide Rule Decitric w/ | $9.99 | 26-Sep-2004 | 0 |
| "VINTAGE SLIDE RULE & CASE, KEUFFEL & ESSER CO | $9.99 | 26-Sep-2004 | 0 |
| Keuffel & Esser 1924 Polyphase Duplex Slide Ru | $9.99 | 07-Sep-2004 | 0 |
| "K&E 4053) Polyphase Slide Rule&Case, Box" | $9.99 | 18-Sep-2004 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 01-Sep-2004 | 0 |
| Vintage 1945 Keuffel Esser Slide Rule Manual N | $9.99 | 12-Sep-2004 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 08-Sep-2004 | 0 |
| VINTAGE KEUFFEL & ESSER SLIDE RULE 1947 | $9.99 | 12-Sep-2004 | 0 |
| K&E Keuffel & Esser Slide Rule N4081-3 | $9.99 | 19-Sep-2004 | 0 |
| K&E Keuffel & Esser Slide Rule N4081-3 | $9.99 | 19-Sep-2004 | 0 |
| K & E SLIDE RULE MANUAL # N4081 1947 + SUPPLEM | $9.99 | 13-Sep-2004 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 01-Sep-2004 | 0 |
| Keuffel & Esser Co. 4058W Slide Rule !!L@@K!! | $9.99 | 19-Sep-2004 | 0 |
| US PATENT for K&E SLIDERULE 1913 slide rule Ke | $9.99 | 29-Sep-2004 | 0 |
| Keuffel & Esser Co. 4161 Slide Rule & Manual ! | $9.99 | 19-Sep-2004 | 0 |
| Vintage Pollock #33 Keuffel & Esser Co. Slide | $9.99 | 29-Sep-2004 | 0 |
| K&E KEUFFEL & ESSER OLD SLIDE RULE | $9.99 | 29-Sep-2004 | 0 |
| VINTAGE K&E SLIDE RULE & CASE N4058W NR! engin | $9.99 | 29-Sep-2004 | 0 |
| VINTAGE KEUFFEL KSSER SLIDE RULE | $9.99 | 30-Sep-2004 | 0 |
| "ANTIQUE SLIDE RULE & CASE ""KEUFFEL & ESSER"" | $9.99 | 30-Sep-2004 | 0 |
| Vintage Keuffel & Esser Slide Rule Manual N408 | $9.99 | 19-Sep-2004 | 0 |
| "Keuffel & Esser Co. Slide Rule, Case, Instruc | $9.99 | 30-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule Self Instruction Ma | $9.95 | 28-Sep-2004 | 0 |
| "K&E Keuffel & Esser 10"" Slide Rule (4053-3) | $9.95 | 19-Sep-2004 | 0 |
| "K&E Keuffel & Esser 10"" Slide Rule (4053-3) | $9.95 | 07-Sep-2004 | 0 |
| Vintage Keuffel/Esser Slide Rule/Leather Case | $9.95 | 05-Sep-2004 | 0 |
| 2 OLD KEUFFEL & ESSER SLIDE RULE MANUALS K & E | $9.95 | 09-Sep-2004 | 0 |
| 1908 Keuffel/Esser Slide Rule/Original Case | $9.95 | 07-Sep-2004 | 0 |
| Vintage Keuffel & Esser Slide Rule Model N4053 | $9.95 | 07-Sep-2004 | 0 |
| NO. 4058 KEUFFEL & ESSER SLIDE RULE W/ INSTRUC | $9.89 | 18-Sep-2004 | 0 |
| "[4 of 5] Sliderule, Slide Rule Keuffel & Esse | $9.50 | 30-Sep-2004 | 0 |
| "[5 of 5] Sliderule, Slide Rule Keuffel & Esse | $9.50 | 30-Sep-2004 | 0 |
| Vintage K&E Wooden Slide rule - 1900 | $9.00 | 05-Sep-2004 | 0 |
| VINTAGE 1955 K&E SLIDE RULE SELF INSTRUCTION M | $9.00 | 14-Sep-2004 | 0 |
| KEUFFEL & ESSER CO. N.Y. SLIDE RULE/ LEATHER C | $9.00 | 25-Sep-2004 | 0 |
| Vintage KEUFFEL & ESSER CO. Beginner's Slide R | $9.00 | 29-Sep-2004 | 0 |
| K&E WOODEN BEGINNER'S SLIDE RULE 4058 C | $8.99 | 04-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule w Leather Case ! ! | $8.95 | 20-Sep-2004 | 0 |
| Keuffel&Esser 4053 The POLYHASE Slide Rule Boo | $8.00 | 09-Sep-2004 | 0 |
| 1960's Keuffel & Esser Co Beginers Slide Rule | $7.99 | 28-Sep-2004 | 0 |
| VINTAGE K & E KEUFFEL & ESSER DUPLEX SLIDE RUL | $7.99 | 10-Sep-2004 | 0 |
| VINTAGE K&E FAVORITE TRADEMARK SLIDE RULE #405 | $7.99 | 30-Sep-2004 | 0 |
| "Vintage K & E 4055 slide rule w. case, box, p | $7.50 | 20-Sep-2004 | 0 |
| Lawrence & Keuffel Esser Slide Rule Instructio | $7.00 | 30-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule & case April 1924 K | $7.00 | 19-Sep-2004 | 0 |
| K&E WOODEN BEGINNER'S SLIDE RULE 4058 C | $6.99 | 18-Sep-2004 | 0 |
| OLD KEUFFEL & ESSER SLIDE RULE W/ORIGINAL LEAT | $6.00 | 30-Sep-2004 | 0 |
| Keuffel & Esser Vintage Slide Ruler Dec.22.190 | $5.99 | 12-Sep-2004 | 0 |
| KEUFFEL&ESSER CO. NY VINTAGE SLIDE RULE W/LEAT | $5.99 | 30-Sep-2004 | 0 |
| KEUFFEL & ESSER CO. SLIDE RULE MOD. N4058W ~ S | $5.99 | 30-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule model 4056 | $5.99 | 21-Sep-2004 | 0 |
| Keuffel & Esser Co. slide rule N4053-3 with ca | $5.99 | 11-Sep-2004 | 0 |
| Keuffel & Esser Slide Rule | $5.95 | 26-Sep-2004 | 0 |
| K & E Slide Rule Manual Log Log Duplex Trig No | $5.50 | 18-Sep-2004 | 0 |
| KEUFFEL & ESSER CO. SLIDE RULER VINTAGE USA | $5.00 | 08-Sep-2004 | 0 |
| 1944 K&E Duplex Slide Rule INSTRUCTION Operati | $5.00 | 07-Sep-2004 | 0 |
| "Vintage 1916 Keuffel & Esser Wooden SLIDE RUL | $5.00 | 14-Sep-2004 | 0 |
| Authentic Keuffel & Esser Co. Slide Rule Manua | $5.00 | 05-Sep-2004 | 0 |
| Student's Slide Rule #4058 Keuffel & Esser Co | $5.00 | 07-Sep-2004 | 0 |
| Slide Rule Keuffel & Esser CO. N.Y. | $5.00 | 25-Sep-2004 | 0 |
| SLIDE RULE VINTAGE LEATHER CASE KEUFFEL & EASE | $5.00 | 10-Sep-2004 | 0 |
| vintage kueffel & esser slide rule pat. 6-5-19 | $5.00 | 05-Sep-2004 | 0 |
| Vintage K&E N4080-3 SlideRule drafting slide r | $4.99 | 10-Sep-2004 | 0 |
| Vintage Keuffel & Esser Slide Rule with Case | $4.99 | 08-Sep-2004 | 0 |
| Vintage K&E N4080-3 SlideRule drafting slide r | $4.99 | 10-Sep-2004 | 0 |
| K & E The Mannheim Slide Rule Manual by Wm. Co | $4.99 | 18-Sep-2004 | 0 |
| 1943 Keuffel & Esser Co. Slide Rule Manual No. | $4.99 | 29-Sep-2004 | 0 |
| NO. 4058 KEUFFEL & ESSER SLIDE RULE W/ INSTRUC | $4.95 | 25-Sep-2004 | 0 |
| KEUFFEL & ESSER CO. N.Y. OLD SLIDE RULE*VINTAG | $4.00 | 20-Sep-2004 | 0 |
| Elem. Instructions Operating Slide Rule KEUFFE | $4.00 | 11-Sep-2004 | 0 |
| vintage Keuffel and Esser Slide Rule and Manua | $3.99 | 10-Sep-2004 | 0 |
| Vintage Keuffel & Esser Slide Rule # 457955 an | $3.99 | 05-Sep-2004 | 0 |
| Keuffel and Esser slide ruler with case | $3.99 | 08-Sep-2004 | 0 |
| BEGINNER'S SLIDE RULE-Keuffel & Esser Co. N405 | $3.99 | 19-Sep-2004 | 0 |
| "K&E MANUAL LOG LOG DUPLEX,TRIG,SLIDE RULE" | $3.60 | 27-Sep-2004 | 0 |
| VINTAGE SLIDE RULE IN CASE - Marked Keuffel & | $3.50 | 03-Sep-2004 | 0 |
| Student's Slide Rule #4058 Keuffel & Esser Co | $3.00 | 18-Sep-2004 | 0 |
| Vintage Keuffel & Esser Slide Rule with Case | $2.99 | 29-Sep-2004 | 0 |
| "K+E, K&E vintage slide rule, Keuffel & Esser" | $2.00 | 29-Sep-2004 | 0 |
| LOG LOG Duplex Slide Rule Manual 1932 Keuffel/ | $1.95 | 13-Sep-2004 | 0 |