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Keuffel and Esser Polyphase duplex with chisel cursor 4082 16" Linear slide rule 2004.010.0211 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with chisel cursor 4082 16" Linear slide rule 2004.010.0219 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule 2004.010.0220 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0223 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "Pocket" Slide rule 4098A 5" Linear slide rule 2004.010.0225 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "Pocket" Slide rule 4098A 5" Linear slide rule 2004.010.0230 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "EverThere" Slide rule 4097D 5" Linear slide rule 2004.010.0231 Keuffel & Esser Co. View |
Keuffel and Esser Nordell Sewer slide rule 2004.010.0232 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0233 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0234 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0235 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0266 Keuffel & Esser Co. View |
Keuffel and Esser x94 Linear slide rule 2004.010.0268 Keuffel & Esser Co. View |
Keuffel and Esser Nordell Sewer slide rule 2004.010.0269 Keuffel & Esser Co. View |
Keuffel and Esser Nordell Sewer slide rule 2004.010.0270 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0272 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule 2004.010.0273 Keuffel & Esser Co. View |
Keuffel and Esser Model 4635 Syrup rule 2004.010.0274 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim 4045 16" Linear slide rule 2004.010.0275 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0276 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0277 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0278 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule 2004.010.0279 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0280 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Trig 4090-3 10" Linear slide rule 2004.010.0281 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0282 Keuffel & Esser Co. View |
Keuffel and Esser C478 Linear slide rule 2004.010.0283 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule 2004.010.0284 Keuffel & Esser Co. View |
Keuffel and Esser C477 Linear slide rule 2004.010.0285 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule 2004.010.0287 Keuffel & Esser Co. View |
Keuffel and Esser Special Radio Linear slide rule 2004.010.0289 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0290 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0291 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0292 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim 4055 10" Linear slide rule 2004.010.0303 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Duplex with chisel cursor 4060-3 5" Linear slide rule 2004.010.0304 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Stadia Slide rule 4100 10" Linear slide rule 2004.010.0318 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0319 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0320 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim with fine divisions 4041F 10" Linear slide rule 2004.010.0326 Keuffel & Esser Co. View |
Keuffel and Esser Brick-O-Meter Linear slide rule 2004.010.0330 Keuffel & Esser Co. 1938-08-05 View |
Keuffel and Esser Mannheim with glass cursor 4041 10" polyphase duplex Linear slide rule 2004.010.0336 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0370 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0371 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0373 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0374 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule 2004.010.0376 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule 2004.010.0377 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule 2004.010.0378 Keuffel & Esser Co. View |
Keuffel and Esser Special Radio Linear slide rule 2004.010.0379 Keuffel & Esser Co. View |
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