$39

Antique Drawing InstrumentCartographer Architect Brass Germany C-1900-1910

$381.3

Brilliant Condition: Columbus Glas Duo Wechselbild Globe About 1962! Wooden Base

$299.99

Antique Rubicon Co Reflecting Galvanometer  Philadelphia Volt Meter

$25

Annual Honesty Lunaria annua Seed Microscope Slide

$25

Prosorhynchus sp. from Buffalo Sculpin Stomach Microscope Slide

$25

Tubulovesicula sp. w.m. from Buffalo Sculpin Intestine Microscope Slide

$33.6

Vintage Brass Pressure Gauge - Steampunk Retro Industrial Factory Metal Meter

$20

Vtg Colorimeter Photovolt Lumetron Colorimeter Model 400-A 1940s Wooden Box

$74.07

VINTAGE CASED SET HALDEN PREMIER DRAWING INSTRUMENTS FLAT PATTERN - BRITISH MADE

$45

Nestle LeMur Co. Volt Meter Gauge

$189.95

Antique Lloyds HYGRODEIK TYCOS Central Scientific Company CENCO Instrument !

$175

Antique Jewell Portable Voltammetter Made Chicago Illinois