Vintage Zivy Model 10 Hand-Held Yarn Tension Meter 50-170 ~ Made in Switzerland

Vintage Thermocouple Meter - Foster Cambridge - Type 12111R131 - London

Cambridge Whipples Temperature Indicator No 3223 1912-1914 Rare. Spares/Repair

Digital Moisture Detector Damp Meter Brick Wood Screed Wallpaper Caravan Tester

Digital Moisture Detector Damp Meter Wood Brick Screed,Wallpaper Caravan-Tester

RARE Cambridge Whipples Temperature Indicator No 2554 1912-1914 - minus probes

SPM Instruments Shock Pulse Meter 43A With Probe & Leather Case

BecKman Industrial Capacitance Meter CM20A