title: Rotary Engine. creator: Risley, Ward contributor: Spun, Thomas D. contributor: McClure, F. N. contributor: Durall, W. Max contributor: Norris Peters Co. contributor: Risley, Z. L. contributor: Risley, Noah publisher: United States. Patent Office. date: 1908-11-03 language: English description: Patent for a steam rotary engine, which is a reversible engine. subject: Inventions subject: Science and Technology subject: rotary engines subject: steam engines coverage: United States - Texas - Jack County - Jacksboro rights: Public Domain type: Patent format: 3 sheets, 3 p. : ill. ; 23 cm. format: Text identifier: pat-no: 902762 identifier: govno: 02/417407 identifier: https://texashistory.unt.edu./ark:/67531/metapth509273/ identifier: ark: ark:/67531/metapth509273