$90

Silver-Tinted Gimbaled Compass on Brass Tri-Stand

$10

Vintage Valad Electric Serological Water Bath Test Tube Warmer 56°C 37°C Working

$55

Vintage Hudson Portable Lifesaver Unit

$40.39

Circuitmate Digital Multi Meter DM423 Transistor Tester 10A

$47.13

Vintage Laboratory Hydrometer..By Phillip Harris Birmingham..Prop,Display??

$20.19

Terminal Post Vintage Brass Screw Socket Vintage Lab Apparatus Irwin

$23.97

Vintage Bey-Berk France Barometer Thermometer Brass on Wood (Missing Hands)

$300

Antique Medical Sanborn Portable EKG Machine Model 51

$127.94

Antique opera glasses with mother of pearl panels.

$65.99

Felix Arithmometer. Mechanical Adding Machine USSR

$45

antique weston model 45 electrical meter dc millivoltmeter [#13] [2*Q-1]

$18.84

Bailey & Mackey Pressure Guage Rear Entry 1/4 Inch BSP Thread - 2 3/8 Inch DIA