This machine Is the first series arc machine installed
In the city of Portland. It was obtained by
the Electrical Department of O.A.C., with the object
of rewinding it for a high current machine to be used
in the charging of storage batteries.
A carburetor, such as is used on a gasoline engine, is
an appliance for vaporizing liquid hydrocarbons by atomizing
the liquid and mixing it with air.
This mixture of gasoline vapor and air is drawn into
the cylinder of'a gasoline engine, compressed and exploded
by means of an electric spark;...
The question of whether to purchase power or to
maintain an isolated plant is one which frequently
confronts the engineer, and the problem is by no means
easy of solution, as there are a number of factors
which vary with individual cases and determine the
economy and desirability of the...
The scope of this thesis consists primarily of
an exposition upon the merits of indirect and. semi-indirect
illumination. In deriving our conclusions, we
have considered two sources of information: firstly,
that of test data from a number of indirect and direct
installations, and. secondly, the opinion of men familiar
with...