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Frederick Post Co. No. 1444-D Linear slide rule
2004.010.0247
Frederick Post Co.
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J. M. Reed Quick Trig slide rule
2004.010.0253
J. M. reed
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J. M. Reed Quick Trig slide rule
2004.010.0255
J. M. Reed
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Frederick Post Co. No.1442 Linear slide rule
2004.010.0258
Frederick Post Co.
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Lietz 3054 Linear slide rule
2004.010.0260
Lietz
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F. Weber Co. Student Slide Rule 4281-S
2004.010.0262
F. Weber Co.
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Nestler Linear slide rule
2004.010.0263
Nestler
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Hemmi Slide Rule Co. No.64 Linear slide rule
2004.010.0264
Hemmi Slide Rule Co.
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Lietz Linear slide rule
2004.010.0265
Lietz
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Keuffel and Esser Linear slide rule
2004.010.0266
Keuffel & Esser Co.
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The Ames Letting Instrument
2004.010.0267
The O.A. Olson Mfg. Co.
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Keuffel and Esser x94 Linear slide rule
2004.010.0268
Keuffel & Esser Co.
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Keuffel and Esser Nordell Sewer slide rule
2004.010.0269
Keuffel & Esser Co.
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Keuffel and Esser Nordell Sewer slide rule
2004.010.0270
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0272
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule
2004.010.0273
Keuffel & Esser Co.
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Keuffel and Esser Model 4635 Syrup rule
2004.010.0274
Keuffel & Esser Co.
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Keuffel and Esser Mannheim 4045 16" Linear slide rule
2004.010.0275
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0276
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0277
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0278
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule
2004.010.0279
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0280
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Trig 4090-3 10" Linear slide rule
2004.010.0281
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0282
Keuffel & Esser Co.
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Keuffel and Esser C478 Linear slide rule
2004.010.0283
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4091-3 10" Linear slide rule
2004.010.0284
Keuffel & Esser Co.
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Keuffel and Esser C477 Linear slide rule
2004.010.0285
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Decitrig 4080-3 10" Linear slide rule
2004.010.0287
Keuffel & Esser Co.
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Keuffel and Esser Log Log Duplex Vector 4093-3 10" Linear slide rule
2004.010.0288
Keuffel & Esser Co.
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Keuffel and Esser Special Radio Linear slide rule
2004.010.0289
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0290
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0291
Keuffel & Esser Co.
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Keuffel and Esser Linear slide rule
2004.010.0292
Keuffel & Esser Co.
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Keuffel and Esser Mannheim 4055 10" Linear slide rule
2004.010.0303
Keuffel & Esser Co.
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Keuffel and Esser Polyphase Duplex with chisel cursor 4060-3 5" Linear slide rule
2004.010.0304
Keuffel & Esser Co.
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Nestler No11 Linear slide rule
2004.010.0305
Nestler
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Nestler No11 E Linear slide rule
2004.010.0306
Nestler
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equal part tabular slide rule calendar
2004.010.0307
Wrico Lettering Instruments
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The Foxboro Company Linear slide rule
2004.010.0308
The Foxboro Company
1935
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Engraving Proportion Scale
2004.010.0309
1928
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Indeco Linear slide rule
2004.010.0310
Indeco
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Indeco Linear slide rule
2004.010.0311
Indeco
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Lawrence 10-B Linear slide rule
2004.010.0312
Lawrence
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Du Mont 8-B Linear slide rule
2004.010.0313
Du Mont
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Lawrence 8-B Linear slide rule
2004.010.0314
Lawrence
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Lawrence 8-B Linear slide rule
2004.010.0315
Lawrence
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Hemmi No.34 Linear slide rule
2004.010.0316
Hemmi Slide Rule Co.
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Hemmi Slide Rule Co. No2974N Linear slide rule
2004.010.0317
Hemmi Slide Rule Co.
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Keuffel and Esser Mannheim Stadia Slide rule 4100 10" Linear slide rule
2004.010.0318
Keuffel & Esser Co.
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