(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.
Samuel Pierpont Langley (/ËlaeÅli/ ; ËlÃ¦Åli august, 22 â 1834 february, 27) 1906 was An american, astronomer, physicist inventor of the bolometer and pioneer of. aviationangley took it coolly enough and said to me that, though he would never live till then, I should see the aeroplane established. His first success came on May 6, 1896 when his Number 5 unpiloted model flew nearly 3/4 of a mile after a catapult launch from a boat on the Potomac River.