Antique Pressure gauge steam engine hydraulic
SCARCE POCKET SALTER SPRING POSTAL LETTER SCALE/BALANCE
GEORGE II TRADE/GOLD/BULLION WEIGHT- IRISH -HARP & ARMS
Rare Projection Carbon Light 1800's
EARLY CANDLESTICK LETTER BALANCE, J&E RATCLIFFE,1834-64
Vintage PRISM LENS ... for Microscope ?
Nice Welch Scientific Catalog Electric Items Scales Mor
Good 19th Century Brass Cased Pocket Compass.
WELCH SCIENCE ELECTRIC MOTOR DEMOSTRATIONS
reprint 1869 Hot Air & Air Steam Engine Stirling, Heat
Eximious exquisite abacus with dragon&phoenix box
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Antique Pressure gauge steam engine hydraulic Greer
Antique Cenco Scale Cast Iron Central Scientific Co.
Exquisite rare well Tibet rosewood medicine-chest
??Eximious exquisite abacus with rosewood box
GOOD HILGER & WATTS MICROPTIC No1 (20 sec) THEODOLITE
Rare Chinese ??White Porcelain penholder
GERMAN MAHOGANY & MAPLE TRIANGLE fr FANCY MATH DRAFTING
A Fine 19th Century 18k Gold Cased Pocket Pedometer.
Aged China computes tool
Vintage Wooden Rock/Mineral Science Collection Kit-NEW
Chinese old wood abacus with rosewood box
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Antique Pressure gauges steam engine Mixed lot of 7
UNUSUAL CANDLESTICK POSTAL SPRING LETTER SCALE/BALANCE
Vintage Wooden Rock/Mineral Science Collection Kit-NEW
QUALITY GUNMETAL-BRASS MICROSCOPE, SWIFT & SON (1860?)
Giant Rainbow Vintage Optical Glass Prism World Biggest
wonderful Chinese old abacus and leather wood box
Small Brass & Iron Microscope w/ 3 Stacked Objectives
ERTL WINGS OF TEXACO AIRPLANE BANKS SERIES 3 AND 4 MIB
Antique STANLEY LONDON Brass Compass, Original Patina
Vintage Wooden Rock/Mineral Science Collection Kit-NEW
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Antique Pressure release valve steam engine 100 psi NOS
Atlas Powder Galvanometer
Exquisite Chinese Feng Shui Luo Pan Compass
ERTL WINGS OF TEXACO AIRPLANE BANKS SERIES 3 AND 4 MIB
OLD TELEPHONE LINEMANS' "RING THRU" CRANK LINE TESTER
Antiquarian Book: SCIENCE GOSSIP c1874
Medical set for mending of wounds of the USSR
Danger High Voltage Porcelain Enamel SIGN Vintage '50's
Antique/Vintage STUART DYNAMO GENERATOR & STEAM ENGINE
Vintage 1915 ? Bausch and Lomb Optical Microscope Brass
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