$105.32

Vintage Surveyors Triangle

$20.25

Set of 2 VINTAGE RABONE BOXWOOD BRASS MOUNTED FOLDING RULERS 36" AND 24"

$29.99

Steel Weight Finder Vintage Alcott Calculator Co Made In USA

$26.99

Vintage Advertising Ruler - Three Northern Bank Rulers

$68.86

Victorian Draughtmans Set

$17.28

Vintage BSI Conversion Slide in Accordance with BS350

$26.95

Science illustrated Aug. 1947

$67.51

Rare Antique Ship Boat Hanging Rotating F. L. West Compass With Zodiac Signs

$15

BSI Conversion Slide British Standards Institution

$23.97

2 x Vintage Cowley Automatic Levels Watts Engineering Surveying With Cases

$16.2

VINTAGE FABER-CASTELL 1/87 RIETZ SLIDE RULE

$125

Vintage Keuffel & Esser Co NY Pocket Compass ~ Nickel Plated