$54.33

Vintage unusual aluminium Fractional Inch Calculator tool by Taylor's

$40.74

Antique B J Hall Simplex Draughtsman’s Instrument Set Technical Drawing Set

$50

Sadtler Research Laboratories, NMR Spectra of Common Impurities

$13.58

Vintage Ink Drafting Drawing Set Wooden Box Dark Blue Velvet 23.5 X 10.5 cm

$28.52

Vintage Emu Series 236/15 Technical Drawing Set In Velvet Lined Case

$120.89

Vintage Draughtsman Architect Technical Drawing Sets in Original Wooden Box

$188.8

Abney Level Stanley London Reflecting Clinometer Original Early Round Brass Body

$26.48

1962 Chain Belt Company Schafer REX Bearing Engineering Manual Downers Grove IL

$6.11

Angle line ruler 25CB Unique Adjustable Triangle Rule Measure technical used

$23.36

1980 Brown & Sharp Double A Hydraulic Products Engineering Sales Manchester MI

$5.99

Vintage ALINCO Temperature Pressure Converter Slide 1961

$21.05

Small Vintage Spirit Level, English, Brass, Instrument