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Scientific American, Vol. 79, No. 4 (1898) (1898)

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An illustration from Scientific American, Vol. 79, No. 4 (1898), 1898, leaf 3
phers who use a solution of pyro- COMBINED TICKET HOLDER AND REGISTER. Rocks, says Engineering News. The old Cliff House gallic acid and other chemicals to act as a reducing We illustrate a ticket holder and ticket register re- was burned on December 24, 1895, but a larger structure agenton the… … almost ceased, due to the solutions becoming brownish bination lock is provided, the dial plates of which are sons. There are seven swimming tanks, as follows: seen in Fig. 1. The total number of tickets registered from absorption of the oxygen of the air, and so ren- One large tank; 1,409,062…

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