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Slide Rule, Acu-Math No 400
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Surgical Tool Roll / Disection Kit Roll (Biology) Khaki Linen Piped Edges - New.
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19thC Antique Astronomy 16" Telescope & Tripod Stand & Case As Found
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Weston Electrical Instrument Company Model 24 Volt Meter Pair Dc Voltmeter
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1892 Rapid Computer Co Benton Harbor Mi Antique Calculator Old Adding Machine
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Weight of Air Globe
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Trippensee,As semblied Build a Model Solar System,Modellbau Solarsystem
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Vintage Siemens Electric professional relay 800 ohm
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Toison D´Or, Logarex 27205 Slide Rule With Case In Good Condition
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Antique Sikes Hydrometer Complete with case
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Resistanc
2000
E Box, Rotary Type, Vintage (Physics) by Croydon Precision Instruments.
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W & L.E. Gurley Surveying Level With Orig Wood Box
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Stanley Boucher Pocket Watch Style Calculator Slide Rule
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Chinese Black Wood Abacus with English instruction
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vintage antique Ingersoll Glarimeter with original box
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Antique Brass Pump by The Dole Valve Co Chicago pat. 1668209 6/1/1928
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Microscope Accessory: Unusual Objective by Beck
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Four Ths Model 55-8407 Planimeters One Charles Brunigan Planometer
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Ramsden Pocket-Size 3-Draw Silvered Telescope+Case
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history theory practice electric telegraph 1866 Prescott / Morse code key relay
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Microsocpe Accessory: Abbe Test Plate
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Small X-ray Tube
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Telescope- Gregorian Telescope-English- 1760
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Very Nice Vintage Kimble Glass Chemistry Weighing Bottle
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vintage Scientific old classroom Science Lab antique ~Brass Gas Nozzle Fixture~
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Victorian Brass Field Microscope In Satinwood Box
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“Roplex” Circular Slide Rule
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Antique Marble'S Gladstone Pin On Pendant Compass *Excellent**
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Unusual Drafting Instrument (?)
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1800s Lady'S Real Genuine Tortoise Shell 10k Gold Pegged Magnifying Glass
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Empty antique amber brown laboratory vintage glass chemical bottle
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Large Antique Maritime Dry Card Compass - Sir William Thomson / Lord Kelvin
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Small Geissler Tube
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Casella weather instrument thermograph Bss 3231
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Chinese Hand Painting Dragon Phoenix Abacus Jewel Box R
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Vtg~Antique~1900 s~Pocket Watch case Battery~Radio Volt Amp Tester Meter
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1920s Vintage General Electric Large (10.5 inch) 300 Watt Mazda Light Bulb Nos
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1922 Sargent Lab Catalog Antique Medical Microscope Bottles Scale Jar Scientific
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Microscope Accessory: Brass Talc Box
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Antique metal tiered sieve tin- laboratory experiment
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Antique Municipal Instrument Co.Magnetic Dipping Needle Compass Magnetometer
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Wollaston – Type Camera Lucida
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Microscope Accessory: Live Box / Compressorium
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Chicago Scientific Instrument Makers 1871-1918 Univ Research Mkt Rittenhouse #63
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~ Early Surveying Compass ~
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Antique Measuring Scale With Drawer & Items Chemist Or Optical Interest ?
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Antique Pat 1898 Model 159 No.3389 Weston Electronics Panel Eclipse Voltmeter 75
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Antique 1800's "Unknown Maker" Telegraph Galvanometer
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Prices current as of last update, 05/17/12 5:30pm.
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