wonderful Chinese old abacus and leather wood box
2450 - Leupold Sportsman Compass in Leather Case
reprint 1869 Hot Air & Air Steam Engine Stirling, Heat
Carved 7 layers mysterious old jade ball
Evolution of Mine Surveying Instruments Book
French Precision Caliper
Excellent China abacus with leather wood box??
GOOD SOLID OAK ART-DECO BAROMETER/PORCELAIN DIAL
Chinese old exquisite abacus with drawing box
Chinese Excellent Bone Carved Abacus
wonderful Chinese old abacus and leather wood box
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vintage rare abacus with rosewood box
Victorian Sikes Boxed Hydrometer T.O.BLAKE LONDON
Vintage Ve-Po-Ad Vest Pocket Mechanical Calculator
Early 1900's Wireless Spark Gap on Electrose Base
Miniature Ivory Globe Signed J. Lilley 1830
Superb Drafting Set by Harling
7 Medical Instruments- Glass Syringe & Needles(10 ml)
VICTORIAN doctor's copper sterilization tank
Early Unusual Scale
DATED 1791 : KIRWAN ON THE VARIATIONS OF THE BAROMETER
Deserve Study China Ancient Counter---Abacus
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ANTIQUE&LATER LARGE LOT DRAWING TOOLS - FASCINATING LOT
VINTAGE SOLID BRASS T COOKE & SONS CLINOMETER - NR
Central Scientific Sacle Box Looks Complete
U.S. Custom House Hydrometer for Spirit Comes with case
World War ll Air Force Astro Compass.NOS 1943
Science & Arts Prize Chalk Drawing Set
Vintage Tibet Yak Skin Oak Wood Round Compass
ANTIQUE BRASS NAVIGATIONAL DEVICE FRENCH
Happy Drinking Bird Einsteins Drinking Duck Red NEW IE
antique fox typewriter with lid no reserve
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Microscope slides of whole INSECTS
A CURTA TYPE II CALCULATOR IN SUPERB CONDITION 1967
Carved 7 layers mysterious old jade ball
ANTIQUE BRASS NAVIGATIONAL DEVICE FRENCH
Fine Allbrit Planimeter by Stanley
5 Vintage Adding Machines 2 In Original Box
Vintage Brass Vacuum Pump in "S G"great condition Old
S. MORDAN AND CO. LONDON BRASS POSTAL SCALE W/WOOD BASE
Carved 7 layers mysterious old jade ball 120mm
Andrews School Furnishings 1890's Catalog??? buy it $35.00
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