Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 35
422 a. 423.—Ditto ditto, large, 10,000 ohms, Muirheads rectangular pattern, arranged inunits, tens, hundreds and thousands, withbridge of four pairs of proportional coils (10,100, 1,000, 10.000), in separate case, andwith thermo-coil of 100 ohms as designed byMessrs. Hockin & Taylor, platinum… … 4 All Standard Resistances unless otherwise ordered, will be adjusted to the B A. ohm. MUIRHEAD A C STOREYS BATE, WESTMINSTER, S.W. ■ V,- . V\ » ■ ^H ■ ■ * t A I 1
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