Patent Model - Improvements in Steam-Generators
Maker and role
George Corliss (b.1817, d.1888), Patentee
Jul 25 1871
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Wood steel, brass
12 1/4 x 4 11/16" (31.1 x 11.9cm)
Corliss's patent "relates to that type of devices known as vertical tubular steam-generators". It consists of "constructing and arranging the generator that a portion of its lower tube-sheet shall be preserved at a temperature below that to which the other portion is subjected." (Patent number 117,385)
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