Technological and industrial history of 20th-century Canada engineer, George de Mestral, velcro, a two sided fastening technology based on hooks and loops, was introduced to a number of countries, including Canada, in the late 1950s. In Montreal, Velek Ltd. acquired the exclusive marketing rights for velcro in North and South America and Japan. The format for sound recordings changed in the years just following the war. In the US, Columbia Records introduced the long playing (LP) 33 format in 1948. Columbia made an agreement with Sparton Records, of London, Ontario, established in 1930, for the manufacture and distribution of its LP records in Canada. Not to be
George Pocock (inventor) George Pocock (inventor) George Pocock (1774–1843) was an English schoolteacher and inventor of the "Charvolant", a kite-drawn carriage. Pocock was interested in kites from an early age, and experimented with pulling loads using kite power, gradually progressing from small stones to planks and large loads. He taught at a school in Prospect Place, Bristol and continued his experiments with his pupils. By 1820 he had determined that in combination they could support considerable weight and began experimenting with man-lifting kites. In 1824, he used a 30-foot (9 m) kite with a chair rig to lift his daughter, Martha (the future