$35

Vintage Propper Sphygmomanometer Blood Pressure Kit

$227.9

Gossen 7.55-548 Current Meter - Vintage - 100 mA - Round

$62.06

Russian Handupe Bakelite 10 X Loupe Magnifier Jeweler Diamond Original Package

$86.2

Vintage S.P. & S. Co. Eyesaver Wooden Rulers - Pair, Made in USA, Pre-1930s

$231.32

Ruler Of Calculation Brand Hope Made IN Jap � N To � OS 60 Slide Ruler Japan

$189.92

Zeiss NI50 Leveling Device

$53.4

Vintage “GYDAWL” Short & Mason Taylor Pocket Compass, Pat Apr 20 1915. Working

$29

Vintage Bacharach "Tempscribe" Industrial Bakelite Temp and Time Recorder PLUS

$79.21

9932081 Silver Colored Magnifying Glass Nickel Plated Handle Black White 10x22cm

$31.5

Cercacoppie CT 1 Telephone Signal Detector Siapi Electronic Vintage

$58.68

9977119 Brass Magnifying Glass with Black Handle L23cm

$180

Antique Thomson Alternating Ammeter C T Ratio