$18.7

Unique Log Log Slide Rule Made in England 12” in Original Box Vintage Working

$19.99

EDGAR STEAM ELECTRIC STATION WEYMOUTH MASS DEDICATION MAY 1976 ASME LANDMARK.

$24.95

Sydney Australia Water 1923 Cordeaux and Avon Dam

$100

Experiments on the Distillation of Acids, volatile Alkalies, &c. - 1768

$14.06

Vintage Blundell Harling Arcliner Compass with Stencil Case and Manual England

$40.72

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

$8.8

Readimetric Converter 1969 British Standard Institution

$34.99

FEB 25 1931 GENERAL PLANS FOR SEWAGE DISPOSAL CITY OF NEW YORK JIMMY WALKER

$15.05

Vintage Aristo-Scholar VS Slide Rule~Nr. 0903LL In Case

$51.59

Vtg 1910/11 Engineer Renderings Lenior City TN Car Works Bearings/Gear/Brackets

$6.68

VINTAGE CONGREGATION BETH EI APPLICATION FOR MEMBERSHIP

$40.6

Vintage Mathematical Instruments