Inside Out Library · Explore
Scientific American, Vol. 67, No. 5 (1892) (1892)
leaf 8
ssary to sink the boat. propelling the boat. It was designed with this boat speed of 300 revolutions per minute. This rate of revo- When the desired depth is attained, then the propeller to attach torpedoes to the bottom of a vessel, then run lution, it was calculated, would give the boat a speed… … temperature. © 1892 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
More pictures from Scientific American, Vol. 67, No. 5 (1892)
More like this
