Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures

An improved wheel guard, which will push any obstacles on the track aside, and which can be adjusted to a greater or less height above the rails, has been patented by Mr. Solomo...

"Mr. Brassey, who believes that the workmen of his own country are equal if not superior to any in the world, maintains that an English mechanic can do more work than an America...

It might not be uninteresting in this connection to give something regarding the sampling and milling of ores. One of the most complete concerns engaged in this business anywher...

This vexed problem has occupied the minds of engineers and inventors since the introduction of steam as a motive power, and there are several theories of boiler explosions, each...

1 Agricultural inventions 1 40 Aspirator and compressor* 11 38 Astronomical notes 11 25 Baby elephant takes a bath 7 22 Bath, shower, portable, new* 6 11 Boiler explosions, prev...

"In the diagram spaces between faint lines represent seconds; and the thicker faint lines represent the mean rate in each case: When the curve rises it shows that the watch was...

Adding machine, C. P. Sullivan 228,416 Advertising checker board, H. P. Eysenbach 228,330 Annunciator, pneumatic, D. & T. Morris 228,267 Axle lubricator, car, C. D. Flynt 228,33...

1880 1880 PITTSBURGH EXPOSITION SOCIETY. THE FOURTH EXPOSITION AND FAIR Will open to the public Thursday, September 2, and remain open day and evening (Sundays excepted) until S...

PICTET ARTIFICIAL ICE CO., LIMITED, P.O. Box 3083. 142 Greenwich St., New York. Guaranteed to be the most efficient and economical of all existing Ice and Cold Air Machines.

Instruction in Steam and Mechanical Engineering. A thorough practical education, and a desirable situation as soon as competent, can be obtained at the National Institute of Ste...