Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus.
A trade catalogue issued by Muirhead & Co. of Westminster in 1893, listing telegraph and electrical testing apparatus for engineers, contractors and telegraph companies. Wood-engraved three-quarter views show resistance coils, standard cells, keys, switches and galvanometers on turned brass terminals and grained wooden bases, with engraved dial scales and maker's lettering usable as isolated instrument silhouettes or hardware details.
