$20.25

Good Used A. G. Thornton PIC No. F 3654 PC 8 10 " Slide Rule, Cased

$195.77

Vintage Carl Zeiss Automatic Level Model Ni025 044066 - O17B

$161.25

Antique Leyden Bottle - Experimental Physics Instrument - 19th-20th Century

$129

ANTIQUE GERMAN DESKTOP MECHANICAL TOOTHED-WHEEL CALCULATOR ADDI 7 LIPSIA GOOD

$17

Mechanical Power Transmission Manual 1953 American Pulley Williams Signed Z1

$24.3

PIC Vintage Slide Rule In Box

$24.19

Chemical & Metallurgical Engineering Magazine January 1939 Charles Goodyear

$67.88

Test Sieve 8 Inch (200mm) – 250 Micron Mesh, ASTM No. 60 – Grade 304 Stainles...

$38.48

Vintage Kern GKO-A Surveyors Level Made in Switzerland 6C16

$101.27

Vintage Boulin Stroboscope Tachometer. Clockwork Scientific Instrument

$26.19

Chemical & Metallurgical Engineering Magazine September 1941 Aluminum Magnesium

$40.63

Faber Castell Elektro 1/98 Vintage Slide Rule With Cursor & Case Engineering