FROM MAY 25 TO JUNE 1, 1880, INCLUSIVE.

Anthracite, obtaining, C. M. Warren, Norfolk, Mass.

Burners and generators for hydrocarbons, E. G. Furber, New York city.

Corsets, L. C. Warner, New York city.

Engines, locomotive, W. P. Hauszey, Philadelphia, Pa.

Filtering apparatus, G. H. Moore, Norwich, Conn.

* * * * *

Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures · 第 103 / 157 题