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Keuffel and Esser Linear slide rule
2004.010.0405
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule
2004.010.0406
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor and Trig scales 4071T 10" Linear slide rule
2004.010.0415
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule
2004.010.0416
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0418
Keuffel & Esser Co.
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Keuffel and Esser C987 Linear slide rule
2004.010.0429
Keuffel & Esser Co.
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Keuffel and Esser Residential Building Cost Slide rule
2004.010.0430
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule
2004.010.0431
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0432
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0439
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0440
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0443
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0444
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Roy Lance Electrican's Slide Rule N4133 8" Linear slide rule
2004.010.0445
Keuffel & Esser Co.
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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.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule
2004.010.0452
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule
2004.010.0453
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule
2004.010.0454
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4061-3 5" Linear slide rule
2004.010.0455
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with chisel cursor 4060-3 5" Linear slide rule
2004.010.0456
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0457
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0458
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0461
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0462
Keuffel & Esser Co.
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Keuffel and Esser Portland Cement linear slide rule
2004.010.0464
Keuffel & Esser Co.
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Keuffel and Esser Cooke Radio Slide rule
2004.010.0466
Keuffel & Esser Co.
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Keuffel and Esser E113 Linear slide rule
2004.010.0467
Keuffel & Esser Co.
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Keuffel and Esser Triangular slide rule for use with Goodchild Mathematical Chart 4019B triangular rule
2004.010.0468
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule
2004.010.0471
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0480
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0481
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule
2004.010.0482
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0483
Keuffel & Esser Co.
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Keuffel and Esser F751 Linear slide rule
2004.010.0495
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0496
Keuffel & Esser Co.
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Keuffel and Esser Miclinometer Gauge Linear slide rule
2004.010.0502
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0515
Keuffel & Esser Co.
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Keuffel and Esser Cardiac Slide Rule
2004.010.0516
Keuffel & Esser Co.
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Keuffel and Esser Beatley IQ Slide Rule
2004.010.0517
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0529
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0553
Keuffel & Esser Co.
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Keuffel and Esser Experimental, 10" Linear slide rule
2004.010.0563
Keuffel & Esser Co.
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Keuffel and Esser, Refinery Supply Co. 10" Linear slide rule
2004.010.0570
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig N9081-3 10" Linear slide rule
2004.010.0593
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0614
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0615
Keuffel & Esser Co.
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Keuffel and Esser/Hunnicutt and Associates Residential Building Cost slide rule
2004.010.0639
Keuffel & Esser Co.
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Keuffel & Esser/Picker X-ray, Fetal Medical Slide Rule
2004.010.0640
Keuffel & Esser Co.
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Keuffel and Esser F436 Linear slide rule
2004.010.0644
Keuffel & Esser Co.
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Keuffel and Esser linear slide rule
2004.010.0671
Keuffel & Esser Co.
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