As young as American Literature is, it has been found necessary to divide it into five periods, namely: First Colonial Period (1620-1689); Second Colonial Period (1689-1763); Revolutionary (1763 -1815); First National Period (1815 -1863). Though by courtesy called Literature, the first attempts at writing by our forefathers cannot properly be...
The consular service of the United States is the outgrowth
of the necessities arising from the various conditions
in which our government has been from time to
time. In the early part of the Revolutionary War our
foreign representatives had very diverse and comprehensive
duties. They exercised fiscal, diplomatic, and...
Among sea-weeds the kelps include some of the largest, most widely distributed and most important forms considered from an economical standpoint. They are technically classified among the crown algae in the family Laminariaceae, which comprises some twenty-five genera. Kelps occur most abundantly in the colder sea water, but they are...
The rapid advancement of electrical science has led it to invade
the field of marine engineering. On ship-board, all ship's lights,
search lights and signal lights are entirely electric. Of power appliances
outside of uses on men of war,ship's ventilation is completely
electric; electric deck winches and boat cranes are...
One of the most important and likewise practical problems that oonfront
the Electrioal Engineers of the present daysis the design and the
construotion of Hydro Electrio Power plants for the generating of electrioal
energy,both for power and li;hting purposes. In order that we
might become better acquainted with the facts...
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...
Electromagnetic engines, or motors, are machines in which the motive power is derived from electric currents by means of their electromagnetic action. The following design is for a 1½ K.W. bi-polar motor.
Six Tertiary units are exposed in the Onion Peak area near the town of Cannon Beach., Oregon. The units consist of: late Eocene to
early Miocene Oswald West mudstones (informal), middle Miocene Astoria Formation (Angora Peak sandstone and Silver Point mudstone members.-informal), middle Miocene basalts of intrusive and extrusive Depoe...