 | Book Theo. Audel and Co. Mechanical Drawing | |
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 | Cell Thomas A. Edison, Inc. R. S. A. Signal Cell | |
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 | Check imprinter Safe-Guard Model S | |
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 | Compass Usanite Eng. Dept. USA 1918 | |
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 | Compass Tacro, Inc. Model 4052 Maho D.R.P. | |
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 | Drafting Set Gramercy | |
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 | Drafting Set Charvoz Roos S-77 | |
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 | Drafting Set Unknown A. Lietz | |
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 | Galvanometer Honeywell/Rubicon Wooden Case 3434 | |
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 | Galvanometer Rubicon Wooden Case 3581 | |
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 | Galvanometer Honeywell/Rubicon Wooden Case 3431 | |
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 | Hearing Aid Unknown Radio Ear | |
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 | Hearing Protector American Optical Hear-Guard 1720 | |
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 | Humidity Gauge Taylor Humidiguide | |
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 | Learning Aid Spherical Concepts SCI Planet Tracker | |
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 | Microscope Ken-A-Vision Projecting TRIG K-1 | |
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 | Optics Kit Macalaster Scientific Model 1900 | |
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 | Scale/Protractor Unknown Ivory | |
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 | Science Kit Science materials Center Color Spectroscope Lab | |
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 | Science Kits Pickett Science Discoveries | |
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 | Sterilizer BP Brand Glass | |
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 | Test Kit Chicago Aerial Industries | |
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 | Thermometer Weksler Brass Industrial | |
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 | Thermometer Taylor Pocket Dial in case | |
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 | Tool Dudley Research Impactor | |
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 | T-Square Pickett Stainless 18 inch | |
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 | Viscometer Louis C. Eitzen Co. Visgage | |
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 | Weather Guide Krick, Irving P. N.W. States 6 | |
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 | Wheatstone Bridge Leeds and Northrup 729912 | |
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