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Keuffel and Esser Linear slide rule 2004.010.0405 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule 2004.010.0406 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor and Trig scales 4071T 10" Linear slide rule 2004.010.0415 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule 2004.010.0416 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0418 Keuffel & Esser Co. View |
Keuffel and Esser C987 Linear slide rule 2004.010.0429 Keuffel & Esser Co. View |
Keuffel and Esser Residential Building Cost Slide rule 2004.010.0430 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule 2004.010.0431 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0432 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0439 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0440 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0443 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0444 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Roy Lance Electrican's Slide Rule N4133 8" Linear slide rule 2004.010.0445 Keuffel & Esser Co. View |
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 |
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 |
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 |
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule 2004.010.0471 Keuffel & Esser Co. 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 |
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 |
Keuffel and Esser Miclinometer Gauge Linear slide rule 2004.010.0502 Keuffel & Esser 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 |
Keuffel and Esser Linear slide rule 2004.010.0529 Keuffel & Esser Co. 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 |
Keuffel and Esser, Refinery Supply Co. 10" Linear slide rule 2004.010.0570 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig N9081-3 10" Linear slide rule 2004.010.0593 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0614 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0615 Keuffel & Esser Co. View |
Keuffel and Esser/Hunnicutt and Associates Residential Building Cost slide rule 2004.010.0639 Keuffel & Esser Co. View |
Keuffel & Esser/Picker X-ray, Fetal Medical Slide Rule 2004.010.0640 Keuffel & Esser Co. View |
Keuffel and Esser F436 Linear slide rule 2004.010.0644 Keuffel & Esser Co. View |
Keuffel and Esser linear slide rule 2004.010.0671 Keuffel & Esser Co. View |
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