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Keuffel and Esser Polyphase Mannheim with fine divisions 4053-3F 10" Linear slide rule
2004.010.0001
Keuffel & Esser Co.
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Keuffel and Esser Mannheim 4056 10" Linear slide rule
2004.010.0002
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0003
Keuffel & Esser Co.
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Keuffel and Esser Mannheim with fine divisions 4041F 10" linear slide rule
2004.010.0004
Keuffel & Esser Co.
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Keuffel and Esser linear slide rule
2004.010.0005
Keuffel & Esser Co.
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Keuffel and Esser linear slide rule
2004.010.0006
Keuffel & Esser Co.
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Keuffel and Esser F806 Linear slide rule
2004.010.0007
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule 4058C 10" Linear slide rule
2004.010.0008
Keuffel & Esser Co.
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Keuffel and Esser F808
2004.010.0009
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Stadia Slide rule N4100 10" Linear slide rule
2004.010.0010
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule
2004.010.0011
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Mannheim 4053-3 10" Linear slide rule
2004.010.0012
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule
2004.010.0013
Keuffel & Esser Co.
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Keuffel and Esser linear slide rule
2004.010.0014
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule
2004.010.0015
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule
2004.010.0016
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule
2004.010.0017
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule
2004.010.0018
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule
2004.010.0019
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0020
Keuffel & Esser Co.
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Keuffel and Esser Mannheim with glass cursor 4031 5" Linear slide rule
2004.010.0021
Keuffel & Esser Co.
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Keuffel and Esser slide rule blank
2004.010.0022
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0023
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0025
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig N9081-3 10" Linear slide rule
2004.010.0026
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule
2004.010.0027
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig N4081-3 10" Linear slide rule
2004.010.0028
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Vector N4083-3 10" Linear slide rule
2004.010.0029
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule
2004.010.0030
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex Trig 4070-3 10" Linear slide rule
2004.010.0031
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule
2004.010.0032
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex Decitrig 9071-3 10" Linear slide rule
2004.010.0033
Keuffel & Esser Co.
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Keuffel and Esser Duplex Merchant's Slide Rule 4095 10" Linear slide rule
2004.010.0034
Keuffel & Esser Co.
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Keuffel and Esser Kurtz Psychrometric Slide Rule 4175 10" Linear slide rule
2004.010.0035
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4080-1 5" Linear slide rule
2004.010.0036
Keuffel & Esser Co.
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Keuffel and Esser F963 Linear slide rule
2004.010.0037
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule
2004.010.0038
Keuffel & Esser Co.
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Keuffel and Esser F961 Linear slide rule
2004.010.0039
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule
2004.010.0040
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0041
Keuffel & Esser Co.
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Ecco Linear slide rule
2004.010.0042
Ecco Co.
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Keuffel and Esser Log Log Duplex Decitrig Special Radio Slide Rule 4082-3 10" Linear slide rule
2004.010.0044
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule
2004.010.0045
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule
2004.010.0046
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Trig 4090-3 10" Linear slide rule
2004.010.0047
Keuffel & Esser Co.
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Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule
2004.010.0048
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule
2004.010.0049
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Merchant's Slide Rule 4094 10" Linear slide rule
2004.010.0050
Keuffel & Esser Co.
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Keuffel and Esser Duplex Merchant's Slide Rule 4095-3 10" Linear slide rule
2004.010.0051
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex 4088-2 8" Linear slide rule
2004.010.0052
Keuffel & Esser Co.
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