(obsolete) A child's hornbook for learning the alphabet. 1802, William Hutton, The History of the Roman Wall, preface You will also pardon the errors of the Work, for you know I was not bred to letters; but, that the battledore, at an age not exceeding six, was the last book I used at school. (obsolete) A bat or beetle used in washing clothes.
The parachute, like the helicopter and the hang glider, dates back to the drawings of mankind's greatest public genius, Leonardo da Vinci.
Who invented the first successful helicopter and in what year was it invented in? Igor Sikorsky, a Russian- American immigrant invented the first successful helicopter, model number VS-300. There is no specific invention date but it was first test flown i â¦ n September 14, 1939 and had to be tethered by cables because of its instability. The VS-300 was the first to use modern-day rotary blade designs.