$572.35

Set of Vintage Draughtsman's Rules, English, Engineer's Instruments, Circa 1930

$49

OLD PORCELAIN CIRCUIT BREAKER

$80.8

ANTIQUE MAP MEASURER in Original box!! - ideal orienteering gift!

$33.67

Vintage Meter Evershed Vignoles Insulation Tester Megger

$37.71

1921 PRINT ~ BINNACLE TRAWLER STANDARD REVERSE BINOCULAR PRISM GALILEAN MARINE

$167.34

Vintage Mechanical Calculator THALES PATENT

$64.72

Old Gauge - Widerstandsbrücke After Wheatstone - Bakelite - Classic-Camera

$91.75

Old Russian Measuring Device FWUA 100 Analog Flow Meter

$505.01

EARLY VICTORIAN BATE'S PATENT SACCHAROMETER BY LUDWIG OERTLING LONDON

$99.95

Vintage Mccarthy Miniature American Cyctoscope in Case Complete W Booklet

$1500

Antique Vintage Collectors Seismograph Earthquake

$101

Collection Of Gauges