$22

BIOMATE Vintage Biorhythm Calculator & Application Guide

$40

W.M. Welch Scientific Rheostat 340 OHMS ( 1.12 AMPS )

$35.05

Vintage Westinghouse 300 Amp Gauge Steampunk Prop Frankenstein

$65

Vintage Leeds & Northrup Type S Portable Test Set No. 5300

$26.92

American Association For The Advancement Of Science Acrylic Award

$50

Leeds & Northrup Model 4261 Students Kohlrausch Slide Wire – Untested

$19.99

Vtg Kartenmesser Germany Map Curve Measurer Drafting Tool Orig. Box & Sleeve

$65.99

Antique Wheatstone Bridge Slide-Wire Central Scientific Co. Early 20th Century

$25

Vintage W. M. Welch Mfg. Co. Ammeter Scientific Apparatus - Chicago, IL USA

$20.89

Dissecting Kit Clay Adams Model A199 1966

$13.49

EMPIRE LABORATORY Specific Gravity Scale Temp 60 Degree 1600 - 1800 ~ 12" Long

$56.69

Glass Beaker Set 50/100/250/500 ml, Glass Flask 50/100/150/250 ml, Graduated