$16.24

Seltmann Weiden Bavaria Teapot – “Andrea” Pattern, West Germany

$15.29

1954 MES MECHANICAL ENGINEERING SOCIETY PIN STERLING

$5

Vintage VOLZ Engineering & Surveying Inc. 6" White Flexible Ruler

$16.35

Vintage Eyre & Spottiswoode Cardboard Scales Set Measures draughtman’s

$275

BAUSCH & LOMB OPTICAL CO. ENGINEERING INTSR. DEALER SALES BROCHURE CATALOG 1908

$81.19

BRASS & GERMAN SILVER MEASURING DEVICE METRIC ???

$37.88

Vintage-Chrome Cased Miles Suprex Pedometer - Kasper & Richter-c1930

$90

Pickett Slide Rules Microline 120 and 140

$33.83

Faber-Castell 57/87 Reitz Slide rule Boxed with instructions

$12.17

Linex 303 Triangular Graphics Engineering Drawing ruler in original case

$20.3

Vintage Matthew & Yates Circular Calculator For Fan Sound Power Spectrum

$40.6

VINTAGE 1960s GORDONS GIN COCKTAIL DRINKS CALCULATOR Slide Rule 6.5 X 3 INCHES