Muirhead & Co., electrical engineers & contractors and manufacturers of electrical & telegraphic apparatus. (1893)
Muirhead & Co. · Muirhead & Co. · leaf 37
■ I 30 RESISTANCE COILS. l Cheap Set of Resistance Coils, small, «ith Wneatstones Bridge, of three pan* ofequal resistance, in platinoid wire, ooila 2110ohms in tlie aggregate.. l)-3.—Resistance Box of one ohm, subdivided into I 439. 2 i, -. -, - • • • « • . . . D I,,, 100 ohms complete, with… … i . in Single R- stance Coils, J ,1 fm i ui 1,0 ... 1,i • ,u • Standard Resistance Ooil, • i ^ «•* * , lV en i i In- I • ..u<i <»i Trailr I i ne ohm, a I I • n the < aniil ^ i cif tL j; i A I L-l ul ^ Liidui 410.—] • V li lll« 1 1 0 10 0 10 0 c , rX*. > 7 ; All Standard Rcftifctanoet.…
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