The Secretary of State. States that the Board of Invention and Research is not prepared to recommend Mr. C. Houghton's invention of a dummy piston for a Parsons Steam turbine, and requests that Mr. Houghton may be informed together with an expression of thanks for bringing his proposals to notice., 1917

The Secretary of State. States that the Board of Invention and Research is not prepared to recommend Mr. C. Houghton's invention of a dummy piston for a Parsons Steam turbine, and requests that Mr. Houghton may be informed together with an expression of thanks for bringing his proposals to notice., 1917, MSS Archives.2003/1.WPHC 4/IV.1917. File 2257/1917, Reel: MSS Microfilm 0168; Reel: AU Microfilm 78-335; Box: C3026904. WPHC 4/IV : Inwards correspondence, 1917., MSS Archives.2003/1.WPHC 4/IV.1917. Western Pacific Archives, University of Auckland. https://archives.library.auckland.ac.nz/repositories/8/archival_objects/211395 Accessed November 23, 2024.