Original patent lithographs for the Remington Typewriter Company's improvements in actions for typewriting machines, two pages, 12.5 x 10.25 (linen-backed) and 7 x 10.25 (not linen-backed), May 19, 1932. The diagrams feature multiple views of the improved typewriter key design. The top borders read: "372,869 Complete Specification." The lower borders feature the printed text: "Charles & Read Ltd. Photo Litho." The left borders read: "This Drawing is a reproduction of the Original on a reduced scale." Includes the printed British "Patent Specification" document, six pages on three sheets, which describes one objective of the invention as reducing noise. The specification sheet bears a "U.S. Patent Office Library" ink stamp on the first page. In fine condition.