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Scientific Materials Co. No.126499 Linear slide rule
2004.010.0698
Scientific Materials Co.
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Keuffel and Esser No. 7279 Linear slide rule
2004.010.0699
Keuffel & Esser Co.
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Pickett & Eckel 3 Linear slide rule
2004.010.0700
Pickett & Eckel
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Pickett & Eckel 2 Linear slide rule
2004.010.0701
Pickett & Eckel
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Pickett & Eckel 4 Linear slide rule
2004.010.0702
Pickett & Eckel
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A. W. Faber linear slide rule
2004.010.0704
A. W. Faber
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Keuffel and Esser Linear slide rule
2004.010.0705
Keuffel & Esser Co.
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Pickett & Eckel 500 Linear slide rule
2004.010.0706
Pickett & Eckel
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Pickett & Eckel 3 Linear slide rule
2004.010.0707
Pickett & Eckel
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Keuffel and Esser Polyphase Mannheim 9050-1 5" Linear slide rule
2004.010.0708
Keuffel & Esser Co.
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2004.010.0709
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Pickett & Eckel 200 Linear slide rule
2004.010.0711
Pickett & Eckel
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Pickett & Eckel 600 Linear slide rule
2004.010.0712
Pickett & Eckel
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Keuffel and Esser Linear slide rule
2004.010.0714
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0715
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule
2004.010.0716
Keuffel & Esser Co.
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Dietzgen 1732 Linear slide rule
2004.010.0717
Dietzgen
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Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule
2004.010.0718
Keuffel & Esser Co.
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Keuffel and Esser Mannheim Beginner's Slide Rule N4058W 10" Linear slide rule
2004.010.0719
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4081-3 10" Linear slide rule
2004.010.0720
Keuffel & Esser Co.
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Dietzgen 1732 Linear slide rule
2004.010.0721
Dietzgen
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Keuffel and Esser Mannheim "POWER TRIG" Slide Rule 4110 13" Linear slide rule
2004.010.0726
Keuffel & Esser Co.
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Keuffel and Esser D36 Linear slide rule
2004.010.0729
Keuffel & Esser Co.
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Keuffel and Esser C419 Linear slide Rule
2004.010.0730
Keuffel & Esser Co.
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Keuffel and Esser C423 Linear slide rule
2004.010.0731
Keuffel & Esser Co.
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Keuffel and Esser C420 Linear slide rule
2004.010.0733
Keuffel & Esser Co.
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Woollams-Seeney Artillery slide rule
2004.010.0749
E. J. Woollams-Seeney
1918
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Keuffel and Esser Universal Duplex Slide Rule "prototype" 4090 10" Linear slide rule
2005.013.001
Keuffel & Esser Co.
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Keuffel and Esser Braille slide rule
2006.011.001
Keuffel & Esser Co.
1952-1955
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Dietzgen B-1734 linear slide rule
2007.016.006
E. Dietzgen Co.
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Acumath 150 slide rule
2007.016.009
Acumath
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Pickett & Eckel N-500-ES demonstration slide rule model
2007.033.001
Pickett & Eckel
c. 1964
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Coil weight slide rule
2007.034.001
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Keuffel and Esser Log Log Duplex Decitrig 4053-3 10" Linear slide rule
2008.007.002
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex with clam shell cursor 4083 16" Linear slide rule
2008.010.001
Keuffel & Esser Co.
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Direct Reading Frequency Response Slide Rule
2009.003.001
Boonshaft and Fuchs Inc; Servo Calculator Company
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Keuffel and Esser Thacher's Calculating Machine Type II 4012 cylindrical
2009.034.001
Keuffel & Esser Co.
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Aristo Nr. 698 Studio slide rule
2010.018.006
Aristo
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Blood gas calculator
2010.018.009
Radiometer Copenhagen
1967
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prototype of Universal-type rule
2012.022.001
Keuffel & Esser by W.L.E. Keuffel
1899
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Keuffel & Esser 68 1944 polyphase classroom demonstration linear slide rule
2013.013.002
Keuffel & Esser Co.
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Keuffel & Esser Deci-lon classroom demonstration slide rule
2013.013.004
Keuffel & Esser Co.
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Hughes-Owens Sun Hemmi 341 3714 slide rule
2013.013.005
Hemmi Slide Rule Co.
post 1964
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Pickett N1010-ES Trig classroom demonstration linear slide rule
2013.013.007
Pickett & Eckel
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Walter Alex 4086 linear slide rule
2013.013.008
Walter Alex Waltershausen
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Pickett N803-ES Log Log Speed Rule Dual Base classroom demonstration slide rule
2013.013.010
Pickett & Eckel
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Aristo 301 "Junior" classroom demonstration linear slide rule
2013.013.011
Aristo
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Mono-Reitz classroom demonstration slide rule
2013.013.013
Mono-Reitz
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Classroom demonstration slide rule
2013.013.014
Keuffel & Esser Co.
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Keuffel and Esser 101 classroom demonstration linear slide rule
2013.013.015
Keuffel & Esser Co.
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