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Scientific Materials Co. No.126499 Linear slide rule 2004.010.0698 Scientific Materials Co. View |
Keuffel and Esser No. 7279 Linear slide rule 2004.010.0699 Keuffel & Esser Co. View |
Pickett & Eckel 3 Linear slide rule 2004.010.0700 Pickett & Eckel View |
Pickett & Eckel 2 Linear slide rule 2004.010.0701 Pickett & Eckel View |
Pickett & Eckel 4 Linear slide rule 2004.010.0702 Pickett & Eckel View |
A. W. Faber linear slide rule 2004.010.0704 A. W. Faber View |
Keuffel and Esser Linear slide rule 2004.010.0705 Keuffel & Esser Co. View |
Pickett & Eckel 500 Linear slide rule 2004.010.0706 Pickett & Eckel View |
Pickett & Eckel 3 Linear slide rule 2004.010.0707 Pickett & Eckel View |
Keuffel and Esser Polyphase Mannheim 9050-1 5" Linear slide rule 2004.010.0708 Keuffel & Esser Co. View |
2004.010.0709 View |
Pickett & Eckel 200 Linear slide rule 2004.010.0711 Pickett & Eckel View |
Pickett & Eckel 600 Linear slide rule 2004.010.0712 Pickett & Eckel View |
Keuffel and Esser Linear slide rule 2004.010.0714 Keuffel & Esser Co. View |
Keuffel and Esser Linear slide rule 2004.010.0715 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule 2004.010.0716 Keuffel & Esser Co. View |
Dietzgen 1732 Linear slide rule 2004.010.0717 Dietzgen View |
Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule 2004.010.0718 Keuffel & Esser Co. View |
Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule 2004.010.0719 Keuffel & Esser Co. View |
Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule 2004.010.0720 Keuffel & Esser Co. View |
Dietzgen 1732 Linear slide rule 2004.010.0721 Dietzgen View |
Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule 2004.010.0726 Keuffel & Esser Co. View |
Keuffel and Esser D36 Linear slide rule 2004.010.0729 Keuffel & Esser Co. View |
Keuffel and Esser C419 Linear slide Rule 2004.010.0730 Keuffel & Esser Co. View |
Keuffel and Esser C423 Linear slide rule 2004.010.0731 Keuffel & Esser Co. View |
Keuffel and Esser C420 Linear slide rule 2004.010.0733 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 Braille slide rule 2006.011.001 Keuffel & Esser Co. 1952-1955 View |
Dietzgen B-1734 linear slide rule 2007.016.006 E. Dietzgen Co. View |
Acumath 150 slide rule 2007.016.009 Acumath View |
Pickett & Eckel N-500-ES demonstration slide rule model 2007.033.001 Pickett & Eckel c. 1964 View |
Coil weight slide rule 2007.034.001 View |
Keuffel and Esser Log Log Duplex Decitrig 4053-3 10" Linear slide rule 2008.007.002 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 |
Direct Reading Frequency Response Slide Rule 2009.003.001 Boonshaft and Fuchs Inc; Servo Calculator Company View |
Keuffel and Esser Thacher's Calculating Machine Type II 4012 cylindrical 2009.034.001 Keuffel & Esser Co. View |
Aristo Nr. 698 Studio slide rule 2010.018.006 Aristo View |
Blood gas calculator 2010.018.009 Radiometer Copenhagen 1967 View |
prototype of Universal-type rule 2012.022.001 Keuffel & Esser by W.L.E. Keuffel 1899 View |
Keuffel & Esser 68 1944 polyphase classroom demonstration linear slide rule 2013.013.002 Keuffel & Esser Co. View |
Keuffel & Esser Deci-lon classroom demonstration slide rule 2013.013.004 Keuffel & Esser Co. View |
Hughes-Owens Sun Hemmi 341 3714 slide rule 2013.013.005 Hemmi Slide Rule Co. post 1964 View |
Pickett N1010-ES Trig classroom demonstration linear slide rule 2013.013.007 Pickett & Eckel View |
Walter Alex 4086 linear slide rule 2013.013.008 Walter Alex Waltershausen View |
Pickett N803-ES Log Log Speed Rule Dual Base classroom demonstration slide rule 2013.013.010 Pickett & Eckel View |
Aristo 301 "Junior" classroom demonstration linear slide rule 2013.013.011 Aristo View |
Mono-Reitz classroom demonstration slide rule 2013.013.013 Mono-Reitz View |
Classroom demonstration slide rule 2013.013.014 Keuffel & Esser Co. View |
Keuffel and Esser 101 classroom demonstration linear slide rule 2013.013.015 Keuffel & Esser Co. View |
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