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Keuffel and Esser Polyphase Mannheim with fine divisions 4053-3F 10" Linear slide rule 2004.010.0001 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim 4056 10" Linear slide rule 2004.010.0002 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0003 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim with fine divisions 4041F 10" linear slide rule 2004.010.0004 Keuffel & Esser Co. View |
Keuffel and Esser linear slide rule 2004.010.0005 Keuffel & Esser Co. View |
Keuffel and Esser linear slide rule 2004.010.0006 Keuffel & Esser Co. View |
Keuffel and Esser F806 Linear slide rule 2004.010.0007 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule 4058C 10" Linear slide rule 2004.010.0008 Keuffel & Esser Co. View |
Keuffel and Esser F808 2004.010.0009 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Stadia Slide rule N4100 10" Linear slide rule 2004.010.0010 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule 2004.010.0011 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Mannheim 4053-3 10" Linear slide rule 2004.010.0012 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule 2004.010.0013 Keuffel & Esser Co. View |
Keuffel and Esser linear slide rule 2004.010.0014 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule 2004.010.0015 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule 2004.010.0016 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule 2004.010.0017 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule 2004.010.0018 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule 2004.010.0019 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0020 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim with glass cursor 4031 5" Linear slide rule 2004.010.0021 Keuffel & Esser Co. View |
Keuffel and Esser slide rule blank 2004.010.0022 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0023 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0025 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule 2004.010.0027 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig N4081-3 10" Linear slide rule 2004.010.0028 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector N4083-3 10" Linear slide rule 2004.010.0029 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule 2004.010.0030 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex Trig 4070-3 10" Linear slide rule 2004.010.0031 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule 2004.010.0032 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4080-1 5" Linear slide rule 2004.010.0036 Keuffel & Esser Co. View |
Keuffel and Esser F963 Linear slide rule 2004.010.0037 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule 2004.010.0038 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4081-1 5" Linear slide rule 2004.010.0040 Keuffel & Esser Co. View |
Ecco Linear slide rule 2004.010.0042 Ecco Co. View |
Keuffel and Esser Log Log Duplex Decitrig Special Radio Slide Rule 4082-3 10" Linear slide rule 2004.010.0044 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule 2004.010.0045 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule 2004.010.0046 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Trig 4090-3 10" Linear slide rule 2004.010.0047 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with clam shell cursor 4071-3 10" Linear slide rule 2004.010.0048 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule 2004.010.0049 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Merchant's Slide Rule 4094 10" Linear slide rule 2004.010.0050 Keuffel & Esser Co. View |
Keuffel and Esser Duplex Merchant's Slide Rule 4095-3 10" Linear slide rule 2004.010.0051 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase Duplex 4088-2 8" Linear slide rule 2004.010.0052 Keuffel & Esser Co. View |
Keuffel and Esser Polyphase duplex with chisel cursor 4070-1 10" Linear slide rule 2004.010.0053 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "EverThere" Slide rule 4097 5" Linear slide rule 2004.010.0056 Keuffel & Esser Co. View |
Keuffel and Esser Doric linear slide rule 2004.010.0057 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule 2004.010.0059 Keuffel & Esser Co. View |
Keuffel and Esser Plastic Polyphase Mannheim 9061-1 5" Linear slide rule 2004.010.0060 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0062 Keuffel & Esser Co. View |
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