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Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)

Muirhead & Co. · Muirhead & Co. · leaf 25

An illustration from Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus., 1893, leaf 25
230 7 10 0 231.—Reversing Key, Parleys a • » ■232.—*Ditto, on ebonite pillars, with cams a • - … i i • • t • 232. 3 0 0 from 3 10 . 0

Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices

Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.

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