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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 N4-ES Vector Log Log demonstration classroom slide rule
2013.013.006
Pickett & Eckel
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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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Keuffel & Esser 4081-3 Log Log Duplex Decitrig 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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Welch classroom demonstration slide rule
2013.013.018
Welch
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Post Binary circular slide rule
2013.013.022
Post Slide Rule Company
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Pickett 1010-ES trig slide rule
2013.013.023
Pickett & Eckel
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Pickett Log-Log overhead projection linear slide rule
2013.013.024
Pickett & Eckel
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Sterling Precision linear slide rule (2)
2013.013.025
Sterling
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Faber-Castell 62/82 linear slide rule
2013.013.026
Faber Castell
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Gerber Variable Scale model TP007200B
2013.013.027
Gerber Scientific Instrument Company
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Pickett Log-Log overhead projection linear slide rule
2013.013.028
Pickett & Eckel
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Keuffel & Esser Deci-Lon 5 pocket slide rule
2013.013.031
Keuffel & Esser Co.
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Halden Calculex patent circular slide rule
2013.013.032
J. Halden & Co., Ltd.
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Pickett Microline 120 linear slide rule
2013.013.033
Pickett & Eckel
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Keuffel & Esser 4088-3 linear slide rule
2013.013.034
Keuffel & Esser Co.
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unidentified maker linear slide rule
2013.013.035
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unidentified maker model 10-B linear slide rule
2013.013.036
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Pickett N3-ES Power Log Exponential Log Log Dual Base linear slide rule
2013.013.037
Pickett & Eckel
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Pickett N16-ES Electronic slide rule
2013.013.038
Pickett & Eckel
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Post 1462 linear slide rule
2013.013.039
Post Slide Rule Company
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Otis King's Pocket Calculator Scale No. 414 and 423 cylindrical slide rule
2013.013.040
Otis King
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Post 1462 linear slide rule
2013.013.041
Post Slide Rule Company
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Post Versalog 1460 slide rule
2013.013.042
Post Slide Rule Company; Hemmi Slide Rule Co.
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Faber-Castell 2/83N Novo Duplex linear slide rule
2013.013.043
Faber Castell
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Leningrad GOST 5161-57 linear slide rule
2013.013.045
Leningrad Factory
1972
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Fowler's Long Scale Calculator stopwatch-type slide rule
2013.013.047
Fowler & Co. Calculator Specialists
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Aristo Junior Overhead Projection linear slide rule
2013.013.048
Aristo
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Faber-Castell 52/82 projection slide rule
2013.013.049
Faber Castell
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Hemmi 153 linear slide rule
2013.013.056
Hemmi Slide Rule Co.
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Pickett 101-C "dial rule" circular slide rule
2013.013.057
Pickett & Eckel
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Pickett N600-ES Log Log Speed Rule
2013.013.058
Pickett & Eckel
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Post 1491 linear slide rule
2013.013.059
Post Slide Rule Company; Hemmi Slide Rule Co.
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Post 1461 linear slide rule
2013.013.061
Post Slide Rule Company; Hemmi Slide Rule Co.
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Pickett Executive Synchrolog Power Log Exponential Log Log Dual Base X-3 linear slide rule
2013.013.063
Pickett & Eckel
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slide rule tie clip
2013.013.064
Vernon
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