Chinese account beautiful jade abacus
LOVELY 19thC. IVORY ENGLISH FOLDING RULE
Vintage VETERINARIAN HYPODERMIC SYRINGE + INSTRUCT + BX
ANTIQUE STAR & PLANET FINDER MAP W BOX
wonderful Chinese old abacus and drawing box
SUPERB SET OF GRAM BALANCE WEIGHTS, F E BECKER
SUPERB ! . Original Handbook of the BROWN Gyro Compass
EARLY ANTIQUE SMALL OPEN FRAME ELECTRIC MOTOR BI-POLAR
1927 ELECTRICITY RadioTube VITAPHONE Lightning Arrester
1900'S UNIVERSAL DELUXE HEATING PAD STORAGE METAL BOX
Brass Tide Clock
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SURVEYOR'S North South TROUGH COMPASS
wonderful Chinese old abacus and leather wood box
2 Vintage GEISSLER Glass Tubes .. SCientific Curios !
Antique Wooden Barometer Pre 1900's
Excellent beautiful abacus with rosewood box
MICROSCOPE TRIPLE NOSEPIECE CHANGER, RMS THREAD
SET BRASS PENNYWEIGHTS IN METAL BOX
Antique Stockert travelling sundial/compass dated 1858
Telescope optic prism unit very very fine
Microscope Eye Piece [HOLOS] W.Watson x10
Antique Williams 20th Century Electric Shock Instrument
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WILLIAMS 20th CENTURY BATTERY QUACK MEDICAL DEVICE
Griffin & George LTD Anemometer Air Meter
vintage Taylor HYDROMETER Baume Scale MAPLE SYRUP THERM
Original 1915 GEIGER Cautery Box ORIG Hubbell Elec Plug
A rare Volta Azimuth Reflector
WATSON microscope slide CIRCLE of SPICULES
watchman brass clock
Switzerland Geneva Huge Photo 1909
Vintage D-C GALVANOMETER
Excellent Chinese Abacus With Wonderful Box
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BEAUTIFUL 19th C. ENGLISH IVORY BEVELED FOLDING RULE
FINE CASED TIGHE #5 BRASS MONOCULAR MICROSCOPE c.1889
Antique Lightning Portable Adding Machine, Bakelite
Switzerland Geneva Huge Photo 1909
DECORATIVE AND FUNCTIONAL CULPEPER MICROSCOPE-"DIXEY"
SMALL OAK CASED SET OF 200 - 0.1 GRAIN BALANCE WEIGHTS
Antique pocket compass in wooden case C1860
Unusual steel ruler measuring device in case
ANTIQUE BLICKENSDERFER NO 5 EARLY TYPEWRITER LOW SER NO
ANTIQUE wood sawmill PATENT MODEL 1885 portable machine
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