-
$1710.00
ORIGINAL - 1ST WESTINGHOUSE ALTERNATING SYSTEM ELECTRIC GENERATOR PHOTO c1888
-
$8.70
Early Spectroscope Apparatus Machine 1915 Ad Trade Card
-
$8.70
Wilde's Dynamo-Electric Machine Invention 1915 Ad Trade Card
-
$746.25
Antique Black Forest Oak 35" Fruits of the Hunt Wall Barometer: Two Dog, Hounds
-
$975.00
1890's Henry Clay Camera w/ Mathein Shutter, Original Plate Holders & Dark Cloth
-
$200.00
ANTIQUE MICROSCOPE OBJECTIVE LENS LOT BRASS COLLINS 1/2 in WRAY LONDON E. LEITZ
-
$980.00
A fine large model “I” microscope with spectacular stage by Koristka, circa 1885
-
$175.00
Antique Vintage Bausch & Lomb Brass Microscope Lenses Original Case 1908 1915
-
$325.00
Antique WHITNEY ELECTRICAL INSTRUMENT MIL-VOLTMETER Ammeter Ohm Meter Wood Case
-
$1199.97
Antique Electrical Recording Rain Gauge by Negretti Zambras RARE L@@K - GIFT
-
$399.99
Beautiful Antique Bausch & Lomb Brass Microscope & Wood Case Pat. Jan. 3, 1899
-
$1975.00
LADD ANTIQUE BRASS JACKSON PATTERN FUSEE CHAIN DRIVE MICROSCOPE W/MAGNETIC STAGE
-
$2499.99
Original Antique Trippensee Planetarium, Orrery, Working circa 1915
-
$555.55
= Antique1800's Postal Scale Bronze & Hand Painted Enamel Seascapes Howell James
-
$4.68
Yeast Fermentation Spores Cooking 90+ Y/O Ad Trade Card
-
$1000.00
Antique X-Ray Camera Laminagram Lead Covered Microfilm Unit Keleket Recordak?
-
$24.99
Central Scientific CENCO Laboratory Equipment Biology Chemistry Catalog 1927
-
$55.00
1924 Chemical Laboratory Apparatus Catalog Chemistry Physics Science Microscopes
-
$74.95
Leeds & Northrup Co. Galvanometer Good Condition Steampunk Free Shipping
-
$275.00
Vintage Antique Bausch & Lomb Brass Microscope & Wood Case
-
$584.99
Vintage 1925 Brass Spindler & Hoyer Pocket Field Microscope Gottingen Germany
-
$295.00
Antique Reichert Jug Handle Microscope with Box
-
$99.99
E H SARGENT Scientific Laboratory Apparatus Bacteriological Supply Catalog 1922
-
$3200.00
Rare antique brass solar system orrery Trippensee planeterium World Globe Zodiac
-
$39.99
RARE UNIQUE THERMOMITER SCALE Under/ Over Proof SLIDING SCALE / RULER
-
$249.99
36" Antique Wooden Oak Millard London Stick Thermometer Barometer
-
$249.00
Antique Pocket Barometer w Case R V Schon Germany
-
$149.00
ANTIQUE Working Andrew J. Lloyd Co. Boston Miles Yards Pedometer
-
$99.99
THOMSON "INDICATING WATT METER" w Orig BOX by GENERAL ELECTRIC!
-
$595.00
black forest wood carved hunt deer trophy Wall barometer antique
-
$7.36
Early Spectroscope Apparatus Machine 90+ Y/O Ad Trade Card
-
$6.69
Syphon Barometer Atmospheric Pressure Gauge 1915 Ad Trade Card
-
$900.00
TESLA EDISON ~ EARLY ELECTRIC METER ~ THOMSON WATT METER ~ RARE
-
$700.00
Very Nice 1913 Gurley Engineers Transit - With Box
-
$189.99
Antique Spencer Lens Co Buffalo NY, USA Microscope w/ Wooden Case & EXTRAS
-
$1050.00
Mid 1800 s English Drrm Microscope
-
$1800.00
ANTIQUE HYDRAULIC PRESS DEMONSTRATION APPARATUS BY ES RITCHIE & SONS BOSTON 1866
-
$149.00
Vtg Brass Cast-iron Microscope Bausch Lomb 6x Leitz Eyepiece Lens Antique Mirror
-
$74.25
Vintage Microscope Cast iron & Brass Mini Scientific Antique Microscope
-
$760.00
Antique Carved Walnut Wall Barometer, Circa 1890
-
$125.00
Gunter's Calculating Rule
-
$193.95
Antique E. LENNIE, Edinburgh, Scotland No. 93 Brass Compound Microscope in Box
-
$249.99
1916-1920 Spencer Antique Brass Microscope
-
$650.00
Antique Precision Thermo & Inst Co. #1500 scientific Nat weather serv barometer
-
$44.50
Fischer High Frequency Milliammeter Antique Meter Steampunk Cast Iron Brass
-
$3750.00
Circa 1837 Ewin Railroad Compass - Purchased by Future Confederate General
-
$30.00
Antique 1913 Weston Electrical AC Ammeter Model 156
-
$49.99
Antique Roller Smith Precision Balance instrument in wood case
-
$1000.00
19th Century Antique English Oak & Mahogany Weather Station Stick Barometer
-
$1649.95
Rare Large Antique 19thc Ornate Oak Victorian Admiral Fitzroy Barometer English
-
$7725.00
CULPEPER DOLLOND MICROSCOPE Tripod Mahogany Cabinet Brass Plinth 33 Bone Slides
-
$299.99
Best Antique Carved Oak Aneroid Barometer with Brass Dial, 9.5" made in England
-
$99.00
Antique Vintage Three Pole Electric Knife Blade Switch Vintage Frankenstein 6"x6
-
$319.20
29" Antique Wall Wood Carved Black Forest Dragon Barometer Thermometer
-
$78.85
Vintage French BRONZE BAROMETER LOUIS XV St markings HN PB
-
$32.00
New Leviton Knife Switch White Porcelain Base
-
$640.00
Antique 1921 RARE TYCOS SHORT & MASON STORMOGRAPH BAROGRAPH in OAK CASE #02287
-
$280.00
22" LARGE Antique Wall Wood Cherub Carved Black Forest Barometer Thermometer
-
$49.99
Antique Edwardian Brass Student Field Microscope In Original Wooden Case c. 1900
-
$89.00
3 Vintage Volt Meters: Weston Electrical Co, Jewell, & Sangamo
-
$350.00
Large inclining microscope with pink brass by Verchaly from Anger, 1880s'
-
$74.99
1896 EDISON MIMEOGRAPH No. 1 - Solid Dovetailed Case and Internals - Nice
-
$795.00
Vintage 18" Large Pyrex Lab Vacuum Glass Bell Jar Dome Centerpiece Display
-
$124.98
VTG Wood & Brass Central Scientific Electric Experiment Circuit Board Steampunk
-
$1999.95
Antique Constant Verick, Hartnack Brass Microscope, c.1872, Paris, #1234 w/ Case
-
$23.00
Brass Antique British Prismatic Military Vintage Mark II Pocket Compass Gift
-
$275.00
Antique 19th Century Negretti and Zambra Ministerio De Fomento Pocket Barometer
-
$38.00
Antique Brass Success Benzine Can Spring Loaded 3 1/4 x 8 1/4 American Founders
-
$7000.00
Nikon H Field Microscope
-
$950.00
binocular microscope by R&J Beck 1870
-
$94.50
Antique B & L Optical Co. Dissection or Surgical Set, Ebony, Bone & Bakelite Hdl
-
$295.00
'30s JOULES MECHANICAL EQUIVALENT of HEAT APPARATUS Calorimeter GAERTNER-ANTIQUE
-
$101.15
Rare Vintage fisheries Brass Cased Thermometer MFG N.Y.C. Still Works !!
-
$48.00
Molecular Order : John W. Keely : Schematic Chart : Archival Quality Print
-
$28.00
Sensory Electric Knife Switch White Porcelain Base 3056 Small 2.5" x 2" Vintage
-
$249.99
Vintage Early Clockworks Timer Model 1 off Home built ?? Invention model
-
$50.00
Antique W. Klein Wetzlar microscope #12049
-
$1600.00
Beautiful 1930 Gurley Mining Transit - No Box
-
$150.00
Jewell Elec Instrument Co. Volt Meter Gauge Vintage Eugene Switch
-
$166.95
Atqe STANHOPE Style Simple Microscope, 5 Specimen Slides, Mahogany Storage Box
-
$15.00
VERY LIMITED EDITION Ca. 1890s OTTO SLIDE VALVE GAS ENGINE WORKS PA CATALOG
-
$700.00
Very Nice L Beckmann Co. Vernier Compass - Circa 1890s
-
$1195.00
stick barometer
-
$9.95
🔥 Vintage, Working Weston Electrical Instrument Company Model 1 DC Voltmeter
-
$300.00
Vintage Antique Carl Zeiss Microscope Skeleton Key 1800s 1900s jena brass scarce
-
$2000.00
Antique Electrometer Rare Museum Quality Example Radiation Cosmic Gamma Rays
-
$2250.00
Kern catalogue of scientific instruments astrolabes microscopes sundials 5 volum
-
$200.00
35 Antique Botanical Microscope Slides with Box, early 1900, Germany
-
$15.00
Microscope Slide for Polarization, Hippuric Acid
-
$115.00
Vintage Olympus Tokyo Microscope 468203 Polarizer Neutral Density w/ Cabinet
-
$1295.00
Rare Antique Short & Mason Tycos Barometer Beveled Glass Mahogany Drawer
-
$1763.53
Captain Jekyll 's PATENT VAPOUR BATH circa 1830 brass & copper medical apparatus
-
$69.99
Leeds & Northrup Company Type S Test Set No. 5300 Resistance Bridge UNTESTED
-
$70.00
Vintage 1930s Rathhenow Germany Vertical Illuminator Busch Stainless Steel MIB
-
$200.00
19thc Black forest ANTIQUE hand carved wood Barometer 17.5 inch
-
$15.00
Microscope slide for polarization, ADIPIC ACID AND CAFFEINE by ARR
-
$499.99
vintage E.Leitz Wetzlar microscope â„– 52769 !!! in box with accessories
-
$99.95
Antique Ernst Leitz Wetzlar Laboratory Copper Warmer/Stove
-
$112.50
Antique Weston Electric Model 24 Cast Iron Volts Milliamperes Panel Meter
-
$82.49
1798 W H Hall Large Antique Print of the Apparatus of The Microscope, Lenses
Antiques (US) 