50
SCIENTIFIC.
SCIENTIFIC.
The estimated cost of the proposed Florida ship canal is $25,000,000.
The board of public works of Cincinnati refuse to admit the elevated railway.
—Captain Eads has received thus far $4,800,000 for his work on the Mississippi jetties.
The wooden pavements of London are being torn up and the macadam used instead.
The gradient of the Territet Montreux Chillon Railway, Switzerland, is 57 per cent.
Swiss railroads use a phosphorous preparation on their cars at night to render them visible.
The express train on the Canada Atlantic railroad makes forty-six miles per hour between Montreal and Quebec, including stoppages.
Mr. J. S. Bardwell, of Cincinnati, is the inventor of a smoke consumer,the construction of which costs but fifteen dollars. Let the good work go on.
—Kansas City spends more annually for public improvements than Cincinnati, yet the latter has a population of 200,000 more than the former.
The Mexican Central rairoad will be completed next May, and will extend from El Paso, Texas, to the City of Mexico, a distance of 1,230 miles.
A locomotive for burning coke on the Reading Railroad made a continuous run of 200 miles without any further attention than simply feeding the furnace.
The Oregon Short Line will cost $30,- 000 per mile according to the estimate of its engineer, Mr. Moscript, and will have
an average gradient of seven and a half feet to the mile.
The railway between Tokio and Kumagaye, Japan, built according to the American system, was opened July 26th.
The Sultan of Turkey opposes the proposed Palestine canal which would connect the Mediterranean with the Red Sea, by means of the depressed gorge of the river Jordan.
—M. Michalowski, of Montceau-les-Virines, has invented a blasting powder named by him "miner's powder,' which, as the result of numerous experiments, has been proven to be superior to any other known.
A new kind of gun-powder which does not possess the dangerous properties of nitro compounds has been invented hy Himly, and consists of a mixture of saltpetre, chlorate of potash, and a solid hydrocarbon.
The survey of the boundary line between the United States and Mexico will be made immediately. A large corps of engineers have already commenced work at Yuma. It is thought that it will take at least six months to run the line through to Arizona. American Engineer.
-A visit to the rooms of the engineering department reveals the fact that Prof. Marvin has not been idle during the summer vacation. The many elegant pictures of celebrated engineering enterprises that adorn the walls were placed there at his own expense. The zeal that Prof. Marvin has exhibited since being placed at the head of the department easily explains the enthusiasm of the prospective C.E.'s.