It is necessary before placing any piece of apparatus
on the market to thoroughly test it under similar
conditions to that for which it was designed, and to
rate it accordingly to the results of the tests, allow
a reasonable margin for unusual conditions.
By the aid of our technical...
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
Published January 1968. 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