ation it requires to be passed through naphtha, as it is deficient in carbon.
If the owners could satisfy themselves of the continuity of the gas flow, we presume that pipes would be laid from the well to several of the large cities, such as Pittsburg, Cleveland, and Buffalo.
The process of making gas consists in the distillation of coal, though other forms of hydrocarbon will yield it, and the subsequent purification of the same to purge it of noxious matters, — tar, ammonia, and sulphurwere first brought to Europe from the mine of Sumbalpoor.
The Golconda mines were discovered in 1534.
The mines of Brazil in 1728.
Those in the Ural in 1829.
The great Russian diamond weighs 193 carats; cost, £ 104,166 13 s. 4 d. in 1772.
The Pitt diamond weighed 136 carats; sold to the king of France for £ 125,000, in 1720.
The Koh-i-noor was found in 1550.
It belonged in turn to Shah Jehan, AurungZebe, Nadir Shah, the Afghans, Runjeet-Singh, and Queen Victoria, 1850.
It originally weig
of evaporation and discharge of moisture which are most favorable to the support of man.
The following table gives the average annual rainfall, in inches, for a number of places on the globe.
The figures for Smithsonian Institution by C. A. Schott, Esq.:—
Hanover, N. H.40.32
New Bedford, Mass41.42
Providence, R. I.41.54
Fort Columbus, N. Y. Harbor43.24
Penn Yan, N. Y.28.42
Buffalo, N. Y.33.84
Newark, N. J.44.85
Washington, D. C.37.52
Baltimore, Md. (Fort McHenry）41.10
Fortress Monroe, Va.47.04
White sulphur Springs, Va37.54
Gaston, N. C.43.40
Charleston, S. C.43.63
Key West, Fla.36.23
Fort Myers, Fla.56.55
Vernon Arsenal, Ala.66.14
New Orleans, La51.05
Baton Rouge, La60.16
Fort Brown. Texas33.44
Fort Bliss, Texas9.56
Fort Smith, Ark40.36