$24.29

Vintage Classic 11 Slide Ruler Wood Celluloid with Pattern Maker Info on Back

$19.99

1959 ~ API Assembly Products INC ~ Bulletin 104-E ~ Inter-relays

$67.88

Test Sieve 8 Inch (200mm) – 250 Micron Mesh, ASTM No. 60 – Grade 304 Stainles...

$135.02

Vintage, Antique J.H. STEWARD Surveyors Theodolite, Level Surveying Instrument

$50.7

Vintage Slide Ruller Faber-Castell Duplo 52/82 in Clear Case Made in Switzerland

$125

Vintage Keuffel & Esser Co NY Pocket Compass ~ Nickel Plated

$29.7

Vintage Skala Precision Compass Set Mixed Pieces In Black Case T2750 AC137

$337.55

Cased Georgian Brass Drawing Instruments ALZX

$24.3

PIC Vintage Slide Rule In Box

$371.31

Military Issue Cooke Troughton & Simms Surveyor’s Theodolite in Original Case

$24.3

Freiberger Prazisions Mechanik Kurvimeter 62 in Case

$384.81

Vintage Pentax Total Station Theodolite PTS 111 05