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Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 25
233. —Reversing Key, ditto, with plug on 1 nidge pieces • « * ■ ■ « • • • • ■ ■ t ■ • 231.—Reversing Key, with rubbing contact*, useful also for charge and discharge tests • 4 • … 234. 4 5 0 6 10 0 MU111HEAD Jc Co., STOREYS GATE, WESTMINSTER, B.W.Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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