Inside Out Library · Explore

Scientific American, Vol. 81, No. 14 (1899) (1899)

leaf 5

An illustration from Scientific American, Vol. 81, No. 14 (1899), 1899, leaf 5
is such that the pen chamber. It was thus easy to determine the output fumes are constantly rolling off from this boiling cal- can be submerged only to a certain depth, thus the ink of heat required to maintain this chainber at any given @ron. At one side of the lake are blowholes, and the bottles… … riages are received and stabled and batteries charged esteemed on account of its purity, and it can be em- at any time during the day. The batteries are charged ployed for any purpose without any preliminary pre- in position or put on a simall truck and taken to.the paration. The older deposits…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 81, No. 14 (1899)

More like this