A storage battery is a cell. or a series of cells capable of storing up electric energy and giving it off at a required time. A storage battery acts upon the same principle as a galvanic cell in giving forth electric current as the equivalent of chemical energy, but it...
The Bureau of Entomology has been conducting systematic and economic
investigations of the weevils infesting the bark of the trunk and
terminal shoots of conifers in the United States, the results of which will be
published in the regular technical and popular bulletins ; but since these can not be...
Since this treatise is to deal only with the
construction of one special machine it is unnecessary
to go into an extended discussion of dynamo electric
machinery in general. Some of the parts common to all
electric machinery of this character will be mentioned
and then a short account of...
Simple as may seem. the subject, "A gas engine
muffler," to the reader on first thought, if he will
but take time to consider the importance of such a
device in connection with the operation of internal
combustion engines, he will probably come to the
conclusion that it is not...
The rapid advance of concrete engineering in the
West has made necessary reliable information as to the
strength qualities of the most important marketable, sands
In the eastern states, theory and practice have advanced
hand in hand, by the investigation of the constituent
materials of concrete. In the West, no...
In designing a machine of any kind, considerations
must be made regarding the kind and amount of work
it will be required to do, the foundation for its support,
and the amount of space available for its occupancy.
An engine which is to be used for driving an automobile
must...
Published March 1909. 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
The author has not previously had any course in
House Construction, but the inspiration for the these
was received from having seen the work done by a class
in that subject. The plans for the house, with the windows,
doors, cupboards in the kitchen, fireplaces, some
of the furniture and...