$38.99

Tyler Standard Screen Scale Testing Sieve Brass 100 Meshes Per Inch

$199.99

KLINGER SCIENTIFIC Optic GRATING REPLICA KO 3105 15,000 LINES PER INCH

$399.99

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

$26.25

Weston Electrical Model 301 0-100 Panel Meter Gauge Milliamp Dc

$21.2

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

$148.12

Vintage Anemometer, Short & Mason -London, Wind Speed & Air Flow Instrument

$19.99

Vintage Precision Scientific Variable Speed Stirrer Model 65730 WORKING No Shaft

$99.99

Antique Central Scientific Co. Wheatstone Bridge Electrical Resistance Device

$74.99

Tested Mech-Tronics Nuclear 775 Linear-Log Ratemeter NIM Module SN 101007

$120

1900s Industrial Electrical Knife Switch - Slate Base Wood Handle Steampunk

$349.89

Vintage Vari-Tronic Jr. Model B - Atomic Age Radionics Collectible - Powers On"

$64.95

Build A Precision Mechanical Solar System by Eaglemoss Sealed Issues #26-30