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slide rule tie clip 1983.077.003 View |
Lovelace Foundation Nuclear Bomb Effects Computer 1983.084.002 Lovelace Foundation View |
EPSCO Microwave Decibel Calculator 1983.096.001 EPSCO View |
Keuffel and Esser Log Log Duplex Decitrig Plastic 4181-1 5" Linear slide rule 1985.086.004 Keuffel & Esser Co. View |
Walt Disney Mickey Mouse 14" linear slide rule 1987.036.001 View |
Currency Conversion Slide Chart 1987.078.024 View |
slide rule tie clip 1990.056.002 View |
Keuffel and Esser Log Log Duplex Decitrig 4081-5 20" Linear slide rule 1990.061.003 Keuffel & Esser Co. View |
Exposure Calculator 1990.062.004.2 MIT, High Voltage Lab 1943-10-20 View |
slide rule tie clasp 2000.002.001 View |
Poper Musical Slide Rule 2004.010.0135 View |
Whitehead & Hoag Co. Circular slide rule 2004.010.0169 Whitehead & Hoag Co View |
Whitehead & Hoag Co. Circular slide rule 2004.010.0171 Whitehead & Hoag Co View |
Keuffel and Esser Circular slide rule 2004.010.0175 Keuffel & Esser Co. View |
W. & L.E. Gurley Cox's Stadia Computer 2004.010.0184 Gurley View |
Des Moines Bridge & Iron Company's Calculator 2004.010.0188 Des Moines Bridge & Iron Co. View |
Keuffel and Esser Nordell Sewer slide rule 2004.010.0269 Keuffel & Esser Co. View |
Keuffel and Esser Model 4635 Syrup rule 2004.010.0274 Keuffel & Esser Co. View |
Keuffel and Esser Brick-O-Meter Linear slide rule 2004.010.0330 Keuffel & Esser Co. 1938-08-05 View |
Keuffel and Esser Linear slide rule 2004.010.0444 Keuffel & Esser Co. View |
M. T. Brockman Linear slide rule 2004.010.0459 Lawrence View |
Keuffel and Esser Portland Cement linear slide rule 2004.010.0464 Keuffel & Esser Co. View |
Keuffel and Esser Cardiac Slide Rule 2004.010.0516 Keuffel & Esser Co. View |
Keuffel and Esser Beatley IQ Slide Rule 2004.010.0517 Keuffel & Esser Co. View |
O'Neill-Payne Fuel Combustion Calculator 2004.010.0518 O'Neill-Payne View |
Keuffel and Esser/Hunnicutt and Associates Residential Building Cost slide rule 2004.010.0639 Keuffel & Esser Co. View |
Keuffel & Esser/Picker X-ray, Fetal Medical Slide Rule 2004.010.0640 Keuffel & Esser Co. View |
Keuffel and Esser Braille slide rule 2006.011.001 Keuffel & Esser Co. 1952-1955 View |
Coil weight slide rule 2007.034.001 View |
Raydist em calculator IN-1726 View |