Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 22
rical Standards Com-mittee of the British Association • • * Sub-divided Condenser, with plug commu-tator, for duplex and quadruplex working onland lines. Total capacity 7 j- microfarads(2, 1, -5, -25, 2, 1, -5 m.f. sub-divisions, PostOffice pattern., ... ... ... from Condensers of high insulation;… … . 167 • % 168.—Ditto, capacity 10 microfarads, sub-divided into . four parts (1, 2, 2, 5) ... • * V 30 0 0 MUIRHEAD & Co., STOREYS GATE, WESTMINSTER, S.AY .■v * » t ■ rr
Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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