Buy MEGGER BR3 BRIDGE MEGGER TESTING SET Lot #392 on the Aucto Marketplace
Evershed and Vignoles Bridge megger(series 2)
Evershed and Vignoles bridge 'Megger' testing set | Science Museum Group Collection
LEAGY VAD78 Digital Insulation Resistance Tester - Accurate Megohm Meter for DC/AC Voltage Testing (20-1500V, 20-750V) and Resistance Measurement (0-5000 Megohms): Amazon.com: Industrial & Scientific
Evershed & Vignoles Meggers and other insulation testers-background information