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 …

History 4 and 5: The Pencil

History 4, Lesson #89: https://essaybank.home.blog/2020/02/21/history-lesson-90-the-heliocentric-theory-vesalius-%e2%9c%8f%ef%b8%8fand-the-pencil-%e2%9c%8f%ef%b8%8f/ History 5, Lesson #11: https://essaybank.home.blog/2020/09/14/history-lesson-15-2/ These two essays that include the pencil are a two-part story.

History Lesson #40

Electromechanical Relay Revolver Morse Code Circuit Breaker Electromechanical Relay Joseph Henry had studied electromagnetic properties for a while, and he used this knowledge to invent the first relay. The Electromechanical Relay increased the power of an electric current, and allowed telegrams to travel much farther than just a few miles. Now you could have a …

History Lesson #35

Combine Solar Compass Propeller Mechanical Computer Combine John Hascall left New York to move to Michigan to get started in the farming industry, but he had an issue. He couldn’t harvest all the crops in time. So his neighbor, Hiram Moore, invented the combine to help Hascall finish his harvesting. The combine combines the stages of …