$75

Vintage Leeds & Northrup Potentiometer 550014 Type of Wheatstone Bridge Variant

$179.99

VINTAGE TAYLOR ANEMOMETER w/ ORIGINAL LEATHER CASE / POUCH, Wind Velocity Gauge

$122.11

Brunsviga 13 germany mechanical calculator Grimme Natalis & Co no 158968 1930s

$21.2

BRAUN-KNECHT HEIMANN CO. LABORATORY APPARATUS INSTRUMENTS & SUPPLIES 1934CATALOG

$24.99

U S STANDARD NO. 4 4.76MM .187IN FISCHER SCIENTIFIC BRASS SIEVE STRAINER SIFTER

$399.99

Vintage Cenco E/M Electron Charge Apparatus 71266 Tube 2 Axis Helmholtz Coil

$22

Vintage Hydrometer Tester for Measuring Alcohol Content Made in England Busby

$9.99

Vintage Cenco Glass Lab Thistle Tube 15705A Top Funnel w/ Box New Old Stock

$26.21

Combustion Engineering- No. 400 - Standard Testing Sieve - 38 Micrometer

$65

Leeds & Northrup Co. Wheatstone Bridge 4725 * Good Condition, Vintage

$7000

Barely Used LX5000 Computerized Polygraph Lafayette Instrument

$32.37

Vintage FISHER CHEMICAL INDEX Catalog 123 Fisher Scientific Company 1959 Read