$18.75

Vintage Simplon Log Log Primary Slide Rule / Royal Slide Rule No1002 Bundle x 2

$8.95

Engineer Lensatic Compass Academy Hiking Outdoors Japan Glow in The Dark Hands

$23.36

1966 Moeller Manfacturing Co Closures Engineering Catalog/Brochure Greenville MS

$180.02

Martin Universal Design 18" x 24" Pro-Draft Parallel Straightedge Board, Whit...

$40.4

Vintage E.R Watts 120mm Metric Glass Scale Rule with Original Case

$25

Vintage Soviet USSR POCKET 3 COLOR SIGNAL LIGHT FLASHLIGHT

$96.96

Rare vintage Kern 7 piece Drafting Compass set - Excellent

$24.24

Slide rule Faber Castell - VGC. Free UK postage

$38.96

1966 Faultless Castor Co. Sales Literature Evansville IN Wheels Signed Letter

$200

ANTIQUE 6 INCH RULER PROTRACTOR Rare Hard To Find

$185

DEFCON 24 HUMAN BADGE, Lanyard, Program booklet, CDs, Stickers 2016

$26.92

Vintage ENBEECO- Map Measurer with Compass and Spark Plug Tester GERMANY