The Geyser was a steam powered fireboat built for Chicago, Illinois in 1886.
[1] Chicago had operated three earlier vessels, as fireboats, but they had all been retrofits.
The vessel was designed to be able to break ice, as necessary, so it could operate in the winter.
[1] When Chicago added the Yosemite to its fleet of fireboats, it was reported to have been the same size as the Geyser, but "...has more power as a waterthrower.
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