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