Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 19
12 STANDARD CELLS. 02 Two of Muirheads Patent portable formof Clark Standard Cell, in circular brass , with thermometer I fi 2 his form U capable of being transmitted bypost iiithowl injury to the cells. … 2. Set of thirty-six Muirheads StandardCeils, with specia di I commutatormounted on ebonite slab, in teak ca . with i dvw, M supplied to the D< d »f Trjule • • • Set of seven Muirheads Standard Cells, i ing an I..M.K. Of 10 J 1 volU at J0° C6H& fc frij l6t of s, tigned by Dr. MuirlmAg 90t…
Electrical Equipment · Lightning protection for structures · Lightning protection for buildings · Batteries · Lighting · Maintenance testing of electrical systems · Wiring devices
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