Word: lighting
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Dates: during 1880-1889
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Pach's room photographer is ready to make appointments. This should not be delayed as in many cases the foliage will soon be so thick as to in jure the light...
Physics A. Lecture 1. Light Professor Trowbridge. Jefferson Physical Laboratory...
...THURSDAY.Physics A. Lecture 1. Light. Professor Trowbridge. Jefferson Physical Laboratory...
...only intelligeable but at the same time interesting to all. Professor Rowland briefly sketched the history of the discoveries in relation to electrical currents, and then expanded the theory now held by the leading physicists, to the effect that electrical currents are propagated like light waves, the ether which permeates and surrounds the universe. The theory and the arguments in its support were stated clearly and concisely and at the same time a number of the experiments were performed to acts as illustrations of the arguments. It was a notable fact that while all the experiments were simple in their...
...white pine. The boiler is of sectional steel pipe tested to four hundred pounds hydraulic pressure. The engine can develope fifty horse power at six hundred revolutions. A speed of six teen miles continuously on a consumption of one hundred pounds of coal an hour is guaranteed. A light canvas awning stretched over a slight galvanized pipe affords protection against the weather, while acurtain stretched across from the after bulkhead to the roof separates the after cockpit from the rest of the boat, and may be used as a state room when cruising...