In the construction of a rifle for sporting or target work
there are several conditions to be met. In the first place the
rifle must be made to balance easily.at all times, whether the magazine
is full of loaded cartridges or is empty. In all cases the
barrel of the...
The design and specification of a dwelling house
constitutes the thesis of the student Arvid Anderson
of the class of '08.
This thesis consists of two parts, namely: drawings
and written description or specification. The drawings
and specifications are to be considered as cooperative,
the latter are necessary to express...
"Of all the different types of sail boats used for pleasure on western inland waters, the 'skip-jack' seems to be the general favorite. This style of boat is known by many names such as 'skip-jack', 'lark', 'skimming-dish', etc., and they are so called from the manner in which they ride...
Footings shall be of concrete, six inches square at
top and twelve inches at bottom. To be composed of one
part Portland cement, three parts charp, clean sand and
six parts of good clean gravel.
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...
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;...
All carbon steel that is used in tools, springs,
and machine parts where tempering is necessary undergoes
three distinct heat treatments: first, heating for forging;
second, heating for hardening; and third, heating
for tempering.
The forebody wake effect (FWE) is important to consider when designing parachute systems because it can affect parachute performance. Parachutes work by altering the aerodynamic properties of an attached forebody to control a descent. The FWE can reduce parachute drag, causing the system to descend faster than desired. This drag...