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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 |
Keuffel and Esser Linear slide rule 2004.010.0063 Keuffel & Esser Co. View |
Keuffel and Esser Kissam Stadia Slide Rule 4143 10" Linear slide rule 2004.010.0065 Keuffel & Esser Co. View |
Keuffel and Esser Plastic Log Log Duplex Decitrig N9081-3 10" Linear slide rule 2004.010.0067 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Roy Lance Electrican's Slide Rule N4133 8" Linear slide rule 2004.010.0068 Keuffel & Esser Co. View |
Keuffel and Esser Kissam Stadia Slide Rule 4143 10" Linear slide rule 2004.010.0069 Keuffel & Esser Co. View |
Keuffel and Esser Cooke Radio Rule 4139 10" Linear slide rule 2004.010.0070 Keuffel & Esser Co. View |
Keuffel and Esser Military slide rule 2004.010.0071 Keuffel & Esser Co. View |
Keuffel and Esser Kurtz Psychrometric Slide Rule 4175 10" Linear slide rule 2004.010.0072 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "EverThere" Slide rule 4097D 5" Linear slide rule 2004.010.0073 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "Pocket" Slide rule 4098A 5" Linear slide rule 2004.010.0075 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "EverThere" Slide rule 4097C 5" Linear slide rule 2004.010.0076 Keuffel & Esser Co. View |
Keuffel and Esser Duplex Power Computing Slide Rule N4135 7" Linear slide rule 2004.010.0077 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0078 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim "EverThere" Slide rule 4097D 5" Linear slide rule 2004.010.0079 Keuffel & Esser Co. View |
Keuffel and Esser Nordell Sewer slide rule 2004.010.0082 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0084 Keuffel & Esser Co. View |
Keuffel and Esser linear slide rule 2004.010.0085 Keuffel & Esser Co. View |
Ecobra Darmstadt slide rule 2004.010.0087 Ecobra View |
Keuffel and Esser Economic lot slide rule 2004.010.0089 Keuffel & Esser Co. View |
Keuffel and Esser C475 Linear slide rule 2004.010.0090 Keuffel & Esser Co. View |
A. W. Faber no. 378 Electro linear slide rule 2004.010.0092 A. W. Faber View |
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule 2004.010.0093 Keuffel & Esser Co. View |
Frederick Post Co. No.1446 Linear slide rule 2004.010.0094 Frederick Post Co. View |
J.H. Steward Hall's Nautical Slide rule 2004.010.0095 Steward View |
Albert Nestler No. 29 Linear slide rule 2004.010.0097 Albert Nestler View |
2004.010.0098 View |
Albert Nestler Linear slide rule 2004.010.0099 Albert Nestler View |
E. Tata Linear slide rule 2004.010.0104 E. Tata View |
Hemmi Slide Rule Co. Linear slide rule No. 1459 2004.010.0105 Hemmi Slide Rule Co. View |
E. Tata Linear slide rule 2004.010.0106 E. Tata View |
Hemmi Slide Rule Co. Linear slide rule 2004.010.0108 Hemmi Slide Rule Co. View |
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