Engineering – Page 9

Vintage Industrial Heller-Aller Blueprint Water tank Structure #8

$49.99

1920s Keuffel & Esser Co. Drafting Slide Ruler 4081-3 w/ Leather Case & Box

$54.99

Weston DC Volts Museum Quality 10" 1901 patent RAILROAD rare Model 57

$180.0

Antique brass compass Neuhofer & Sohn Wien end of 19th ct

$249.0

LOT of 12 archive, c1902 QUINCY POINT MA, QUINCY ELECTRIC LIGHT & POWER interior

$125.0

Rare case of drawing drafting instruments USSR fine powerful design. Готовальня

$28.0

A.G. Thornton 10g Deansgate Manchester ANTIQUE Spring Bows - Math Instrument SET

$21.25

Antique drafting tools in original case

$79.99