vintage China wooden abacus with drawing box
Antique Medical Bakelite STETHOSCOPE 1950 Moscow
S. Mordan & Co. London coin scale with weights ANTIQUE
Antique American Pewter Sundial, signed "WT", 41st lat
Huge signed Leyden jars for wimshurst machine
Wonderful Silver Magnifying Glass
Microscope [MEOPTA] + Case.
Microscope Stage Clips
Microscope Stage Clips
wonderful Chinese old abacus and leather wood box
ANTIQUE BRASS SCALE DOCTOR SCALE
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Catalogue of Physical Instruments L.E. Knott Company
ANTIQUE GOLD SCALE WITH CHRISTIAN BECKER GOLD WEIGHTS
Fisher Scientific Better Made Whimshurst Machine
Telescope Blunt & Son 1810 buy it $295.00
Wonderful Silver Magnifying Glass
ANTIQUE POCKET VOLTMETER FINE SILVER/PEWTER FINISH
Microscope [MOTIC] A1 Condition { SFC-3A }
Microscope Stage Clips
Microscope Stage Clips
keep well rare rosewood abacus with beautiful box??
Excellent beautiful abacus with rosewood box
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wonderful Chinese old abacus and leather wood box
Walker's Cherub II Ship-Log and John E. Hand & Sons CO.
Antique Signal Electric Spark Coil Museum Quality
7 Medical Instruments- Glass Syringe & Needles(10 ml)
Wonderful Silver Magnifying Glass
METER [Mahogany Cased] Hot Wire [AMPERE]
STEAM ENGINE {Double Piston} MAMOD
STERLING Automatic Adding Machine 1950s
Microscope Stage Clips
Danger High Voltage Porcelain Enamel SIGN Vintage '50's
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Vintage Central Scientific Wood Case Resistor Shunt?
Antique Drafting Compass small for ink has Ivory Handle
Nnimaginable handmade huge rare bone carve seismograph
STERLING Automatic Adding Machine 1950s
Vintage Small Electric Motor & Light Bulb
METER [Mahogany Cased] Becker Hatton Wall [AMPERE]
Microscope Stage Clips
Microscope Stage Clips
Microscope Eyepiece Shades {Binocular} Pair [Standard]
Wonderful Silver Magnifying Glass
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