Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 52
mmm m APPARATUS FOR SUBMARINE CABLE WORKING. 45 -£*> … 613. GU. G16 Ditto ... ditto, three circuits, each 400 ohmsresistance, with two spare plain mirror tubes,lamp, lens, and scale stand, complete.,. - Ditto ... ditto (coils from 1,000 to 2,000 ohmsresistance), with mirror suspended in either anair dead-beat tube, or a water tube, with lenslamp and…
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.
