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TitleMakerDate Made
Keuffel and Esser Thacher's Calculating Machine Type II 4012 cylindrical1983.002.002Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule1983.004.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4081-5 20" Linear slide rule1983.057.002Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule1983.080.001Keuffel & Esser Co.View
Keuffel and Esser Mannheim Merchant's Slide Rule with feet and box N4096 20" Linear slide rule1984.039.001Keuffel & Esser Co.View
Keuffel and Esser Mannheim Slide Rule, 12" linear.1984.058.003Keuffel & Esser Co.1908View
Keuffel and Esser Thacher's Calculating Instrument 1740 cylindrical1984.099.002Keuffel & Esser Co.1891-1899View
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule1985.011.008Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule1985.011.009Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-2 8" Linear slide rule1985.086.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule1985.086.002Keuffel & Esser Co.View
Keuffel and Esser Plastic Polyphase Mannheim 9061-1 5" Linear slide rule1985.096.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig Plastic 4181-1 5" Linear slide rule1987.012.017Keuffel & Esser Co.View
Keuffel and Esser Polyphase Mannheim 4053-3N 10" Linear slide rule1987.040.002Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule1988.002.003Keuffel & Esser Co.date unknownView
Keuffel and Esser Log Log Duplex 4092 10" Linear slide rule1988.002.004Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule1989.027.003Keuffel & Esser Co.View
Keuffel and Esser Polyphase Duplex 4088-3 10" Linear slide rule1990.005.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule1990.061.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule1990.061.002Keuffel & Esser Co.View
Keuffel and Esser 4035 8" linear slide rule1992.052.004.1-.2Keuffel & Esser Co.c. 1910View
Keuffel and Esser Log Log Duplex Vector 4083-3 10" Linear slide rule1993.012.002Keuffel & Esser Co.View
Keuffel and Esser Favorite Mannheim 4054 10" Linear slide rule1995.054.001Keuffel & Esser Co.View
Keuffel and Esser Mannheim Student's Slide Rule 4058 10" Linear slide rule1996.010.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" linear slide rule1996.049.001Keuffel & Esser Co.View
Keuffel and Esser Log Log Duplex 4092-3 10" Linear slide rule1997.023.001Keuffel & Esser Co.View
Keuffel and Esser Polyphase Mannheim with fine divisions 4053-3F 10" Linear slide rule2004.010.0001Keuffel & Esser Co.View
Keuffel and Esser Mannheim 4056 10" Linear slide rule2004.010.0002Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0003Keuffel & Esser Co.View
Keuffel and Esser Mannheim with fine divisions 4041F 10" linear slide rule2004.010.0004Keuffel & Esser Co.View
Keuffel and Esser linear slide rule2004.010.0005Keuffel & Esser Co.View
Keuffel and Esser linear slide rule2004.010.0006Keuffel & Esser Co.View
Keuffel and Esser F806 Linear slide rule2004.010.0007Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule 4058C 10" Linear slide rule2004.010.0008Keuffel & Esser Co.View
Keuffel and Esser F8082004.010.0009Keuffel & Esser Co.View
Keuffel and Esser Mannheim Stadia Slide rule N4100 10" Linear slide rule2004.010.0010Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule2004.010.0011Keuffel & Esser Co.View
Keuffel and Esser Polyphase Mannheim 4053-3 10" Linear slide rule2004.010.0012Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule2004.010.0013Keuffel & Esser Co.View
Keuffel and Esser linear slide rule2004.010.0014Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule2004.010.0015Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule2004.010.0016Keuffel & Esser Co.View
Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule2004.010.0017Keuffel & Esser Co.View
Keuffel and Esser Mannheim Beginner's Slide Rule 4059 8" Linear slide rule2004.010.0018Keuffel & Esser Co.View
Keuffel and Esser Polyphase Mannheim 4053-2 8" Linear slide rule2004.010.0019Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0020Keuffel & Esser Co.View
Keuffel and Esser Mannheim with glass cursor 4031 5" Linear slide rule2004.010.0021Keuffel & Esser Co.View
Keuffel and Esser slide rule blank2004.010.0022Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0023Keuffel & Esser Co.View
Keuffel and Esser Linear slide rule2004.010.0025Keuffel & Esser Co.View


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