https://makingscience.royalsociety.org/items/rr_72_259/letter-from-william-george-penney-on-a-paper-the-supersonic-flow-of-compressible-fluid-through-axially-symmetric-tubes-of-uniform-and-varying-section-by-r-k-tempest-to-d-c-martin-assistant-secretary-of-the-royal-society
Letter from William George Penney, on a paper 'The supersonic flow of compressible fluid through...
Reports back on three papers he has received. Has enclosed a lengthy commentary on Tempest's paper. Some small alterations should be made but if the author doe…
william george penneysupersonic flowcompressible fluidletterpaper