During the last five years the demand for electrical
energy in the state of Oregon,and throughout the entire
country,has increased to such an extent that electrical
generating stations have become an important factor in the
economic development of the common wealth.
Uonsidering the great need for cheap power, which
is...
Basket making is a primitive art which has been
practiced by man as far back through the ages as history
can record. When Moses was found hidden in the bulrushes
by Pharaoh's daughter, he was in a basket which his
mother had woven. When the Israelites were returning to
the...
In view of the fact that the college authorities have
purchased a set of wireless apparatus, it was thought best
to design and construct a transformer of suitable size for
transforming the power to be used by this set of instruments.
The power required for such a set is approximately...
"Before a company which manufactures electrical
machines allow them to leave the factory, each must
undergo certain tests to make sure that there are no
faults of design or workmanship and also ofttimes that they meet the specifications of the buyer. Four important
tests are made, e.g. (1) no load...
"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
"The purpose of this volume is to give practical assistance to those who may be interested
in basket-making. The problems discussed in this book have been carefully planned and execut
ed, applying fundamental principles of color,
form, and design. Many of the difficulties
in basket-making, which we have experienced,
cannot...