What were the inventions of benjamin franklin?
Benjamin Franklin’s inventions seemed mostly to respond to a need that he saw, either for his own use or for others. Bifocals He had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals. Flexible Urinary Catheter Ben developed a flexible urinary catheter for his brother that appears to have been the first one produced in America. Not invented, but suggested for ships As early as 1784, Franklin suggested following the Chinese model of dividing ships’ holds into watertight compartments so that if a leak occurred in one compartment, the water would not spread throughout the hold and sink the ship. Lightning Rod Although he made important discoveries and advancements, Ben did not “invent” electricity. He did, however, invent the lightni
