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Hemmi Slide Rule Co. Linear slide rule 2004.010.0109 Hemmi Slide Rule Co. View |
E. Tata Linear slide rule 2004.010.0110 E. Tata View |
Keuffel and Esser Sperry Pocket Calculator 2004.010.0111 Keuffel & Esser Co. View |
Indeco Linear slide rule 2004.010.0112 Indeco View |
Lawrence 10-B Linear slide rule 2004.010.0113 Lawrence View |
Hemmi Linear slide rule 2004.010.0114 Hemmi Slide Rule Co. View |
Dietzgen 1766P Linear slide rule 2004.010.0116 Dietzgen, Joe View |
Lawrence 40-B Linear slide rule 2004.010.0118 Lawrence View |
Lawrence 250-BT 10" Linear slide rule 2004.010.0119 Lawrence View |
Lawrence Linear slide rule 2004.010.0120 Lawrence View |
Lawrence Linear slide rule 2004.010.0121 Lawrence View |
The Festus MFG. Co. linear slide rule 2004.010.0127 The Festus MFG. Co. View |
Keuffel and Esser Universal Duplex Slide Rule 4090N 10" Linear slide rule 2004.010.0128 Keuffel & Esser Co. View |
Startime Circular slide rule 2004.010.0131 Startime Mfg. Co. View |
Poper Musical Slide Rule 2004.010.0135 View |
ACU Rule linear slide rule 2004.010.0136 ACU Rule View |
Precision Instrument Co. No. 121/PC18 Linear slide rule 2004.010.0137 Precision Instrument Co. View |
ACU Rule linear slide rule 2004.010.0138 ACU Rule View |
Precision Instrument Co. No.774120 Linear slide rule 2004.010.0140 Precision Instrument Co. View |
ACU Rule linear slide rule 2004.010.0148 ACU Rule View |
Faber 368 linear slide rule 2004.010.0149 Faber View |
Faber 367 linear slide rule 2004.010.0152 Faber View |
Dietzgen Linear slide rule 2004.010.0156 Dietzgen View |
Dietzgen Linear slide rule 2004.010.0157 Dietzgen View |
Engineer's Binary Polymetric slide rule 2004.010.0159 Engineer's Slide Rule Co. View |
Richardson's 1860 LL Logometric slide rule 2004.010.0160 Richardson Slide Rule Co. View |
Richardson's Pantocrat Metal Slide Rule 2004.010.0163 Richardson Slide Rule Co. View |
Hudson's Horse Power Computing Scale 2004.010.0165 Keuffel & Esser Co. View |
Richardson Slide Rule Co. 1901 Linear slide rule 2004.010.0166 Richardson Slide Rule Co. View |
Whitehead & Hoag Co. Circular slide rule 2004.010.0169 Whitehead & Hoag Co; Simplex Wire and Cable View |
Dodge Mfg. Co. Linear slide rule 2004.010.0170 Dodge Mfg. Co. View |
Keuffel and Esser Circular slide rule 2004.010.0175 Keuffel & Esser Co. View |
Graham slide rule 2004.010.0181 Graham View |
Cox's Equivalenter Circular slide rule 2004.010.0182 Cox Computer Co. View |
circular slide rule "Omnimetric" 2004.010.0186 View |
Domestic Mills Paper Company slide scale 2004.010.0187 Domestic Mills Paper Company View |
Des Moines Bridge & Iron Company's Calculator 2004.010.0188 Des Moines Bridge & Iron Co. View |
Hobbs Manufacturing pulley figuring circular slide rule 2004.010.0190 View |
Stanley Linear slide rule 2004.010.0194 Stanley View |
Keuffel and Esser Linear slide rule 2004.010.0195 Keuffel & Esser Co. View |
Soellner Linear slide rule 2004.010.0198 Soellner View |
Soellner Linear slide rule 2004.010.0199 Soellner View |
Soellner Linear slide rule 2004.010.0200 Soellner View |
Unis linear slide rule 2004.010.0206 Unis View |
Keuffel and Esser Polyphase duplex with chisel cursor 4082 16" Linear slide rule 2004.010.0211 Keuffel & Esser Co. View |
Dietzgen 1767P Linear slide rule 2004.010.0212 Dietzgen View |
Dietzgen 1769P Linear slide rule 2004.010.0213 Dietzgen View |
Dietzgen 1767P Linear slide rule 2004.010.0214 Dietzgen View |
Dietzgen 1767P Linear slide rule 2004.010.0215 Dietzgen View |
Hemmi Slide Rule Co. Linear slide rule 2004.010.0216 Hemmi Slide Rule Co. View |
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