History Lesson #65

Jackhammer Pin-Tumbler Lock Safety Pin Gyroscopes Jackhammer The jackhammer was originally steam powered, but this could not be used in mining, as the steam engine needed to power it could not operate under ground. So the inventor’s, Jonathan Couch’s, assistant, Joseph Fowle, invented a variation of the jackhammer that ran by compressed air. It works by …

History Lesson #50

Electric Clock Blueprints Stapler Grain Elevator Electric Clock Clocksmith Alexander Bain took electromagnetism and added it to timekeeping industry, in addition to the so many other professions it already was a part of, coming out with the electric clock. He patented the electric clock and took it to Charles Wheatstone to see if Wheatstone would …

History Lesson #45

Steel Plow Steam Shovel Postage Stamp Vulcanized Rubber Steel Plow When American settlers moved to the Great Plains, they found that the heavy iron plow of Europe would not work because the soil of the plains would stick to the plow. John Deere saw this problem, and went to work experimenting with different polished metals …