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Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)

Leeds and Northrup Company · leaf 20

An illustration from Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904, 1904, leaf 20 — e TllK LEEDS & XORTHKUP COMPANY UwAwl wwmtl wmrn m^m mmm100 eoo 300 A-oo tooowmm \mfmM wmwmi ^AVWAW| mmM CH:o:][Sra[SLo:3[^>0 construction of the box tliroughout is tiie >.ime as that of our liigliest.L^rade resistance boxes. The resistances are adjusted to agree with eachother to within… … rO-^ T7^

Electricity · Electrical engineering · Electrical Equipment · Electrical Circuits · Electronics

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