Blackwood (publishing house) Gerald Porter. Blackwood (publishing house) William Blackwood and Sons was a Scottish publishing house and printer founded by William Blackwood in 1804. It played a key role in literary history, publishing many important authors, for example John Buchan, George Tomkyns Chesney, Joseph Conrad, George Eliot, E. M. Forster, John Galt, Thomas de Quincey, Charles Reade, Margaret Oliphant, John Hanning Speke and Anthony Trollope, both in books and in the monthly "Blackwood’s Magazine". In 1804 William Blackwood opened a shop in South Bridge Street, Edinburgh, for the sale of old, rare and curious books. He undertook the Scottish agency for John
Atlas E/F upper stage gave the vehicle a payload capacity of to a medium Earth transfer orbit. The SGS upper stage, which consisted of two series-burning solid rocket motors, was used on twelve Atlas E/F launches, with early GPS satellites. The first eight used the SGS-1, which could place of payload into a medium Earth transfer orbit, whereas the last four used the more powerful SGS-2. The eighth launch failed. The Star was used to propel most of the other upper stages used on the Atlas E/F, however it was also used in its own right on several launches. A Star-17A was