Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 45
38 556. 558. GALVANOMETERS. Reflecting Astatic Galvanometer, as No. 555, but with from 2,000 toohms resistance, with set of shunts,scale and stand complete same3,000lamp, • • • 14 10 0 Ditto, Muirheads pattern, with four coils onhinges, in either round or square brass orglass case, resistance of…
Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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