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Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule 2004.010.0451 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule 2004.010.0452 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule 2004.010.0453 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule 2004.010.0454 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule 2004.010.0455 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with chisel cursor 4060-3 5" Linear slide rule 2004.010.0456 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0457 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0458 Keuffel & Esser Co. View |
M. T. Brockman Linear slide rule 2004.010.0459 Lawrence View |
Keuffel and Esser Linear slide rule 2004.010.0461 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0462 Keuffel & Esser Co. View |
Keuffel and Esser Portland Cement linear slide rule 2004.010.0464 Keuffel & Esser Co. View |
Hornyak-Kelly Weight Slide rule 2004.010.0465 Hornyak-Kelly Co. View |
Keuffel and Esser Cooke Radio Slide rule 2004.010.0466 Keuffel & Esser Co. View |
Keuffel and Esser E113 Linear slide rule 2004.010.0467 Keuffel & Esser Co. View |
Keuffel and Esser Triangular slide rule for use with Goodchild Mathematical Chart 4019B triangular rule 2004.010.0468 Keuffel & Esser Co. View |
Guedon Linear slide rule 2004.010.0469 Guedon View |
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule 2004.010.0471 Keuffel & Esser Co. View |
4.2-inch Chemical Mortar Slide rule 2004.010.0477 U.S. Army, Chemical Warfare Service View |
Keuffel and Esser Linear slide rule 2004.010.0480 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0481 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule 2004.010.0482 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0483 Keuffel & Esser Co. View |
Reynolds Metal Weight Calculator 2004.010.0485 Reynolds View |
G. Felsenthal & Sons linear slide rule 2004.010.0486 G. Felsenthal & Sons View |
H.P. Luhn Lunometer 2004.010.0487 H. P. Luhn View |
Honyak-Kelly Co. Paper Box Board Rule 2004.010.0488 Hornyak-Kelly Co. View |
Keuffel and Esser F751 Linear slide rule 2004.010.0495 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0496 Keuffel & Esser Co. View |
Dietzgen Linear slide rule 2004.010.0499 Dietzgen View |
Keuffel and Esser Miclinometer Gauge Linear slide rule 2004.010.0502 Keuffel & Esser Co. View |
Charles Bruning Co. 2420 Linear slide rule 2004.010.0505 Charles Bruning Co. View |
Keuffel and Esser Linear slide rule 2004.010.0515 Keuffel & Esser Co. View |
Keuffel and Esser Cardiac Slide Rule 2004.010.0516 Keuffel & Esser Co. View |
Keuffel and Esser Beatley IQ Slide Rule 2004.010.0517 Keuffel & Esser Co. View |
O'Neill-Payne Fuel Combustion Calculator 2004.010.0518 O'Neill-Payne View |
Keuffel and Esser Linear slide rule 2004.010.0529 Keuffel & Esser Co. View |
Wichmann No. 466 Linear slide rule 2004.010.0535 Wichmann View |
Dennert & Paper No. 126499 Linear slide rule 2004.010.0542 Dennert & Pape View |
Dietzgen 1772B Linear slide rule 2004.010.0543 Dietzgen View |
Albert Nestler Linear slide rule 2004.010.0549 Albert Nestler View |
Keuffel and Esser Linear slide rule 2004.010.0553 Keuffel & Esser Co. View |
Keuffel and Esser Experimental, 10" Linear slide rule 2004.010.0563 Keuffel & Esser Co. View |
Diwa Manufacturing Co. Linear slide rule 2004.010.0566 Diwa Manufacturing Co. View |
Keuffel and Esser, Refinery Supply Co. 10" Linear slide rule 2004.010.0570 Keuffel & Esser Co. View |
Pickett & Eckel 500 Linear slide rule 2004.010.0577 Pickett & Eckel View |
Pickett & Eckel linear slide rule 2004.010.0578 Pickett & Eckel View |
Pickett & Eckel 500 Linear slide rule 2004.010.0579 Pickett & Eckel View |
Pickett & Eckel 901 Simplex slide rule 2004.010.0582 Pickett & Eckel View |
Pickett & Eckel 2 Linear slide rule 2004.010.0583 Pickett & Eckel View |
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