"There are at present four common methods of con
verting the alternating current into direct current.
These are in order of use, the motor generator set,
the rotary converter, mercury vapor rectifier and the
Murphy rectifier. A short description of these and
connections for the last two will be given."--p.2
Published January 1914. 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
Published January 1914. 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
Published December 1918. 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
Many serious 16sses from decay in wooden structures are due to the fact that the timbers used were infected with wood-destroying fungi while in storage. These losses can be greatly reduced by keeping lumber storage yards in a sanitary condition.