"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
"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...
"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...