The financial success or failure of a lighting or power
enterprise is measured by the efficiency of the machinery,
and the efficiency of the machinery depends upon
that of each piece of apparatus of which it is composed.
In alternating current distribution the transformers are
frequently scattered in large numbers...
Published December 1906. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
As far back as History goes we have conclusive proof
that man has traded commodities with his fellow-men. At
first these exchanges were in the form of barter, a man
would trade something which he had and did not care much
for,with another man who had something he desired more....
Published June 1901. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog