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Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 24
es inside same sheathing) ... 172.— Varleys Artificial Line, as supplied to the Anglo-American Telegraph Com] v, Limited 17 3.—Artificial Lines for Educational pur-poses, made to any specification ... MUIRHEAD 4 Co., STOREYS GATE, WESTMINSTER, 8.W. i i—^B ■ I • ELECTRICAL TESTING KEYS &… … 216. 217.—Ditto, Sabim • • • * • • • • • • ff • 3 0 •218.—Ditto, Webbs (trigger) ... i * ■ • • • • • • :i 10 0 219.—Ditto, Kempes • # * ■ 0 0 220.—Charge and Discharge Key • » t • . i 2 15 0 MUIUHEAD A Co, STOREYS GATE, WESTMINSTER, S.W. ^ ■ ■ in . ■ ■ ■ ■ ■ -^ ■ i ^ ■ 18 ELECTRICAL TESTING KEYS 8c…Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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