CARDEW VOLTMETERS
(The only Reliable Instruments for Alternating Currents);
Evershed Patent Gravity Voltmeters and Ammeters
(Not affected by the proximity of dynamos).
Complete Estimates furnished for Central-Stations, Plant for
Alternating and Direct Currents, or for Batteries, Engines,
Boilers, etc., by the Best Makers only, and of the most
economical types.