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"Bunsen's Burner, a form of gas burner especially adapted for heating, consisting of a tube, in which, by means of holes in the side, the gas becomes mixed with air before consumption, so that it gives a non-illuminating smokeless flame." -Vaughan, 1906

Bunsen Burner

"Bunsen's Burner, a form of gas burner especially adapted for heating, consisting of a tube, in which,…

A laboratory as found in Pompeii.

Laboratory, Ancient

A laboratory as found in Pompeii.

"For a laboratory microscope, the pattern represented here has been found very convienient, —the framework being of mahogany or other hard wood, the stage being large enough to admit a dissection or carry a water-trough of considerable size, and the bent armthat carries the "powers" being made capable of reversion, so as to permit the use of lenses of very long as well as of very short focus." —The Encyclopedia Britannica, 1903

Microscope

"For a laboratory microscope, the pattern represented here has been found very convienient, —the…

"This picture is based upon a photograph of a painting which has won great fame during recent years. The artist has represented Pasteur, the celebrated scientist, busily at work in his laboratory, recording the results of his microscopal study of bacteria. As the great master of modern science rests for a moment from his midnight researches, he appears to see in a vision the victims of pestilence, famine, and infectious diseases imploring relief from the good angel who symbolizes the wonderful victories won by Pasteur in combating disease." — Blaisedell, 1904

Louis Pasteur

"This picture is based upon a photograph of a painting which has won great fame during recent years.…

"Ruedorf's sand-bath, a simple form of sand-bath in which the temperature can be regulated by raising or lowering an S-shaped burner." -Whitney, 1911

Ruedorf's Sand Bath

"Ruedorf's sand-bath, a simple form of sand-bath in which the temperature can be regulated by raising…