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TitleMakerDate Made
slide rule tie clip1983.077.003View
Lovelace Foundation Nuclear Bomb Effects Computer1983.084.002Lovelace FoundationView
EPSCO Microwave Decibel Calculator1983.096.001EPSCOView
Keuffel and Esser Log Log Duplex Decitrig Plastic 4181-1 5" Linear slide rule1985.086.004Keuffel & Esser Co.View
Walt Disney Mickey Mouse 14" linear slide rule1987.036.001View
Currency Conversion Slide Chart1987.078.024View
slide rule tie clip1990.056.002View
Keuffel and Esser Log Log Duplex Decitrig 4081-5 20" Linear slide rule1990.061.003Keuffel & Esser Co.View
Exposure Calculator1990.062.004.2MIT, High Voltage Lab1943-10-20View
slide rule tie clasp2000.002.001View
Poper Musical Slide Rule2004.010.0135View
Whitehead & Hoag Co. Circular slide rule2004.010.0169Whitehead & Hoag CoView
Whitehead & Hoag Co. Circular slide rule2004.010.0171Whitehead & Hoag CoView
Keuffel and Esser Circular slide rule2004.010.0175Keuffel & Esser Co.View
W. & L.E. Gurley Cox's Stadia Computer2004.010.0184GurleyView
Des Moines Bridge & Iron Company's Calculator2004.010.0188Des Moines Bridge & Iron Co.View
Keuffel and Esser Nordell Sewer slide rule2004.010.0269Keuffel & Esser Co.View
Keuffel and Esser Model 4635 Syrup rule2004.010.0274Keuffel & Esser Co.View
Keuffel and Esser Brick-O-Meter Linear slide rule2004.010.0330Keuffel & Esser Co.1938-08-05View
Keuffel and Esser Linear slide rule2004.010.0444Keuffel & Esser Co.View
M. T. Brockman Linear slide rule2004.010.0459LawrenceView
Keuffel and Esser Portland Cement linear slide rule2004.010.0464Keuffel & Esser Co.View
Keuffel and Esser Cardiac Slide Rule2004.010.0516Keuffel & Esser Co.View
Keuffel and Esser Beatley IQ Slide Rule2004.010.0517Keuffel & Esser Co.View
O'Neill-Payne Fuel Combustion Calculator2004.010.0518O'Neill-PayneView
Keuffel and Esser/Hunnicutt and Associates Residential Building Cost slide rule2004.010.0639Keuffel & Esser Co.View
Keuffel & Esser/Picker X-ray, Fetal Medical Slide Rule2004.010.0640Keuffel & Esser Co.View
Keuffel and Esser Braille slide rule2006.011.001Keuffel & Esser Co.1952-1955View
Coil weight slide rule2007.034.001View
Raydist em calculatorIN-1726View