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Title | Maker | Date Made | ||
Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule | 2004.010.0726 | Keuffel & Esser Co. | View | |
Keuffel and Esser "Challenge" N9725 1/2 drafting set | 2004.010.0744 | Keuffel & Esser Co. | View | |
tracing divider | 2004.010.0745 | View | ||
Keuffel and Esser Pounce for Tracing Cloth | 2004.010.0746 | Keuffel & Esser Co. | View | |
Woollams-Seeney Artillery slide rule | 2004.010.0749 | E. J. Woollams-Seeney | 1918 | View |
Keuffel and Esser Universal Duplex Slide Rule "prototype" 4090 10" Linear slide rule | 2005.013.001 | Keuffel & Esser Co. | View | |
Keuffel and Esser Polyphase Duplex with clam shell cursor 4083 16" Linear slide rule | 2008.010.001 | Keuffel & Esser Co. | View | |
Tavernier-Gravet Mannheim linear 14" slide rule | IN-0977 | Tavernier-Gravet | 1889 | View |
Keuffel and Esser Mannheim Merchant's Slide Rule 4150-1 5" Linear slide rule | IN-1539 | Keuffel & Esser Co. | View | |
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule | IN-1569 | Keuffel & Esser Co. | View | |
Keuffel and Esser Fuller spiral slide rule | IN-1911 | Keuffel & Esser Co. | View |
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