Early Shuttleworth London Pantograph
OTIS KING CYLINDRICAL SLIDE RULE
Orrery-Satellit Rotaryo
Antique movie theater motor rheostat Edison era OLD
220MM GEMSTONE WORLD GLOBE BRONZE STAND EARTH MAP
1800'S ANTIQUE CARTOGRAPHER MAP MEASURING TOOL 1 3/8"
Antique 1700's Compass in Wooden Case.WORKS & 100% ORIG
great collection---eastern original counting tool abaci
Microscope Mirror,Double Sided [1.75 Inch ]
wonderful Chinese old abacus and leather wood box
Antique Maritime Ships Driftsight Scientific Instrument
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ANTIQUE SCIENTIFIC MICROSCOPE PROJECTOR RADIOPTICIAN
ANTIQUE 1905 THE BRICAL ADDING MACHINE CALCULATOR MONEY buy it $349.00
c 1812 Print SCIENTIFIC INSTRUMENT CREATE ELECTRICITY
ANTIQUE UNIVERSAL BALLOON BALANCE IN WOD BOX
1913 CLIPBOARD THERMOMETER COMCINATION SOLID BRASS
1800'S ANTIQUE CARTOGRAPHER MAP MEASURING TOOL 1 1/8"
Antique TEL-TRU Art Deco DESK THERMOMETER by Simon Co.
Microscope Mirror, Double Sided [W.WATSON] A1 Condition
COUNTER [Tally] + Stand {Working}
OLD FRENCH OBELISK THERMOMETER BASE W/ REAUMUR SCALE
I AM TOLD THIS IS AVERY OLD MAP COMPASS!
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ANTIQUE BING 1927 GERMAN TYPEWRITER
ANTIQUE A M STEPHENSON BRASS ADDING MACHINE buy it $249.00
Chinese old abacus with drawing office box
Scarce Dr. Perrin & Mascart Optometer
OLD WOOD CASE D.C. VOLTMETER SCIENCE GAUGE ESTATE VGC
Very Interesting Science Light Table????
Microscope Eyepiece [Drawing] C.BAKER London
SURVEYORS OPTICAL SQUARE BY STANLEY OF LONDON
Very old ray (?) tube f.University or school Vacuum
Stanley of London Compass Circa 1900s
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ANTIQUE 1925 GREEN UNDERWOOD PORTABLE TYPEWRITER
ANTIQUE A M STEPHENSON ADDING MACHINE
1812 RARE Antique Print 19th c TELESCOPIC VIEW OF MOON
SURVEYORS OPTICAL SQUARE BY STANLEY OF LONDON
The Pennsylvania State College General Chemistry Set
Very Nice Patent Model Steam & Gas Engine Related Tags
Microscope Eyepiece [ x8 ] C.BAKER London. A1
Microscope Mirror,Double Sided [W.WATSON] A1 {2.5 Inch}
vintage 1930s, antique brass compass - made in Germany
??Beautiful Chinese jade carve abacus
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