Micro-organisms are a distinct class of unicellular vegetable organisms placed under the general name of bacteria instead of trying to affix either algae or fungi to this class of living beings. These microorganisms are divided into two classes; pathogenic and non-pathogenic bacteria. The pathogenesis is determined by inoculating a susceptible...
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...
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...
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...
Published November 1900. 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...