Rotary Printing Press Kerosene Antiseptics Gas Mask Rotary Printing Press The printing press‘ use had already spread and was being used worldwide. Improvements on Gutenberg’s invention included adding a handle, and replacing the wood frame with an iron one. Richard Hoe had lots of experience with the printing press. Hoe invented the rotary printing press …
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Science Lesson #65: My Favorite Style Of Art
My favorite style of art has to be Impressionism, not because of the beliefs of the artists, but I think the paintings are pretty, especially Claude Monet’s paintings. I like the way Monet’s paintings aren’t really made with hard lines, but soft brushstrokes.
History Lesson #55
Ether Fax Machine Iron Steam Ship Ice Cream Maker Ether Before ether, surgery was so painful, people would sometimes rather die than deal with it. Crawford Long rediscovered ether as an anesthetic (a drug used to lower pain in surgery). Ether is a chemical that makes people forget an injury if it is inhaled before …
English Lesson #55: My Dream Job
In this essay, I will tell you what my dream job is. First of all, I am going to mention the difference between a job and a calling. A job is your source of money, while your calling is what you want to do to help the world. Here are a few of my talents …
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 …
My Favorite Birthday Present
My favorite birthday present was not a physical gift, but the time I spent with my friends and family celebrating it. It was 2019, a few days after my birthday (my birthday was a Wednesday that year so my Uncle had work and one of my cousins had public school) and I had one of …
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.
Science Lessons 3-4 Drawings
Lesson #3 Lesson #4
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 …