Cryptanalysis of the Enigma immense problem and it gave a great deal of trouble. Work on a high speed machine had been started by Wynn-Williams of the TRE late in 1941 and some nine months later Harold Keen of BTM started work independently. Early in 1942, Bletchley Park were a long way from possessing a high speed machine of any sort. Eventually, after a long period of being unable to decipher U-boat messages, a source of cribs was found. This was the Kurzsignale (short signals), a code which the German navy used to minimize the duration of transmissions, thereby reducing the risk of being
Monument to the Dead of World War II and cools the interior temperature. The "Monument to the Dead of World War II" was designed by architects Mark Netto Konder and Helio Ribas Marinho, the winners of a national competition. The monument construction was completed in 1960. The primary vertical feature is the monumental portal, an abstract memorial sculpture of formed concrete, that is tall. Other artworks at the Monument include: Monument to the Dead of World War II The Monument to the Dead of World War II (), also the Monument to the Brazilian Soldiers of World War II, commemorates Brazil's participation and losses in the Second World