Electrical and scientific instruments and apparatus : november 20th, 1899 (1899)
Elmer G. Willyoung & Co · New York : E.G. Willyoung · leaf 62
REELEY TEST SETS. Yl AlVD Y2. This vs^ell-known set has been upon the market for a number of years,and is very widely used by those engineers who are associated with orhave grown out of telegraph interests. While perliaps not theoreticallyas perfect as some of the more recently designed sets, yet… … Fig. 55. Yl (No Batteby). * During the recent war with Spain we equipped a large number of the newlypurchased boats with these sets. 58 Yl. Bridg-e and Testing Set $90 00 This instrument has rows of unit, ten and hundred ohm coils inrheostat, and ten and hundred ohm coils in each arm of the…
Electric apparatus and appliances · Equipment and supplies
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