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Welch classroom demonstration slide rule 2013.013.018 Welch View	Post Binary circular slide rule 2013.013.022 Post Slide Rule Company View	Pickett Log-Log overhead projection linear slide rule 2013.013.024 Pickett & Eckel View
Sterling Precision linear slide rule (2) 2013.013.025 Sterling View	Gerber Variable Scale model TP007200B 2013.013.027 Gerber Scientific Instrument Company View	Pickett Log-Log overhead projection linear slide rule 2013.013.028 Pickett & Eckel View
Keuffel & Esser Deci-Lon 5 pocket slide rule 2013.013.031 Keuffel & Esser Co. View	Halden Calculex patent circular slide rule 2013.013.032 J. Halden & Co., Ltd. View	Pickett Microline 120 linear slide rule 2013.013.033 Pickett & Eckel View
Keuffel & Esser 4088-3 linear slide rule 2013.013.034 Keuffel & Esser Co. View	unidentified maker linear slide rule 2013.013.035 View	Pickett N3-ES Power Log Exponential Log Log Dual Base linear slide rule 2013.013.037 Pickett & Eckel View
Pickett N16-ES Electronic slide rule 2013.013.038 Pickett & Eckel View	Post 1462 linear slide rule 2013.013.039 Post Slide Rule Company View	Otis King's Pocket Calculator Scale No. 414 and 423 cylindrical slide rule 2013.013.040 Otis King View
Post 1462 linear slide rule 2013.013.041 Post Slide Rule Company View	Faber-Castell 2/83N Novo Duplex linear slide rule 2013.013.043 Faber Castell View	Leningrad GOST 5161-57 linear slide rule 2013.013.045 Leningrad Factory 1972 View
Fowler's Long Scale Calculator stopwatch-type slide rule 2013.013.047 Fowler & Co. Calculator Specialists View	Aristo Junior Overhead Projection linear slide rule 2013.013.048 Aristo View	Faber-Castell 52/82 projection slide rule 2013.013.049 Faber Castell View
Pickett 101-C "dial rule" circular slide rule 2013.013.057 Pickett & Eckel View	Pickett N600-ES Log Log Speed Rule 2013.013.058 Pickett & Eckel View	Post 1491 linear slide rule 2013.013.059 Post Slide Rule Company; Hemmi Slide Rule Co. View
Post 1461 linear slide rule 2013.013.061 Post Slide Rule Company; Hemmi Slide Rule Co. View	Pickett Executive Synchrolog Power Log Exponential Log Log Dual Base X-3 linear slide rule 2013.013.063 Pickett & Eckel View	slide rule tie clip 2013.013.064 Vernon View
Keuffel & Esser 4080-3 linear slide rule 2013.013.066 Keuffel & Esser Co. View	Pickett overhead Trig slide rule 2013.013.067 Pickett & Eckel View	Pickett N4-T Vector-type log log dual-base speed rule linear slide rule 2013.013.068 Pickett & Eckel View
Post Versalog 1461 slide rule 2013.013.072 Post Slide Rule Company; Hemmi Slide Rule Co. View	Faber-Castell Reitz-N 57/88 slide rule 2013.013.073 Faber Castell View	Nupro-branded Concise CTCS-552 circular slide rule 2013.013.075 Nuclear Products Company; Sama and Etani; Concise View
Pickett N3-ES power log exponential log log dual base linear slide rule 2013.013.076 Pickett & Eckel View	Pickett ED-26 projection slide rule 2013.013.077 Pickett & Eckel; Projection Optics Company View	Ricoh No. 150 linear slide rule 2013.013.078 Ricoh View
Pickett 3 Deci Multiphase Log Log slide rule 2013.013.079 Pickett & Eckel View	Pickett N4-ES Vector-type Log Log Dual Base Speed Rule linear slide rule 2013.013.080 Pickett & Eckel View	Pickett N904-T Trig and Decimal Keeper Speed Rule linear slide rule 2013.013.081 Pickett & Eckel View
Pickett N500-ES HI Log Log linear slide rule 2013.013.082 Pickett & Eckel View	Faber-Castell model 12/82 Precision Slide Rule 2013.013.085 Faber Castell View	Keuffel & Esser Deci-Lon 5-inch linear slide rule 2013.013.087 Keuffel & Esser Co. View
Post Overhead 1447DP slide rule 2013.013.089 Post Slide Rule Company; Hemmi Slide Rule Co. View	Gerber Variable Scale 2013.013.091 Gerber Scientific Instrument Company View	Dietzgen 1741 Novo-Biplex-Style Decimal Trig Type Log Log overhead slide rule 2013.013.092 Dietzgen View
Keuffel & Esser Overhead Projection Deci-lon 68 1955 slide rule 2013.013.093 Keuffel & Esser Co. View	Pickett N500-ES Log-Log classroom demonstration slide rule 2013.013.094 Pickett & Eckel View	slide rule tie clip 2013.013.096 View
Ruler to Measure Waterline Near Shore, Hudson River, NY 2014.028.s1839 Klein, Martin View	Two Men near Ruler to Measure Waterline, Hudson River, NY 2014.028.s1876 Klein, Martin View