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Inventors. Mrs. Curry Oakway Middle School March 22, 2003. Beulah Louise Henry. 1887 – ????. 1887 - 1949. Vacuum Ice Cream Freezer. Ms. Henry’s first patent Patented in 1912. Snap-on Umbrella Covers. 1924 Umbrella with snap-on covers Sold process for $50,000. Toys. Educational

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Inventors

Mrs. Curry

Oakway Middle School

March 22, 2003


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Beulah Louise Henry

1887 – ????

1887 - 1949


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Vacuum Ice Cream Freezer

  • Ms. Henry’s first patent

  • Patented in 1912


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Snap-on Umbrella Covers

  • 1924 Umbrella with snap-on covers

  • Sold process for $50,000


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Toys

Educational

  • Kiddie Klock

  • Cross Country board game

    Other

  • 1929 Dolly Dips

  • 1935 Miss Illusion doll


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Other Inventions

  • 1932 Protograph

  • 1940 Bobbinless sewing

    machine

  • 1952 Continuously-attached envelopes



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Telegraph

  • 1832 idea of telegraph

  • 1840 granted patent

  • 1858 transatlantic telegraph


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Morse Code

  • 1838 invents Morse Code

  • Dots and dashes are symbols for letters and numbers


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First Message

  • Sent message May 24, 1844

  • From Washington, D.C to Baltimore, MD

  • What hath God wrought?


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Alexander Graham Bell

1847 – 1942


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Telephone

  • 1874 sketch of telephone

  • February 14, 1876 applied for patent


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First Phone Call

  • March 10, 1876 first speech heard

  • “Mr. Watson, come here I want to see you.”

  • January 25, 1915 formal opening of transcontinental telephone line

  • New York to San Francisco


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Other Inventions

  • Photophone

  • 1881 Metal Vacuum Jacket

    • breathing apparatus

  • February 23,1909 Silver Dart

    • first powered flight in Canada Silver Dart


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Thomas Alva Edison

1847 - 1931


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Phonograph

1887 New Phonograph

1877 Cylinder Phonograph

First Words Recorded

“Mary Had a Little Lamb”


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Light Bulb

  • 1878 – 1879 light bulb lasts for 13 hours


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Kinetoscope and Kinetograph

  • 1888 idea for Kinetoscope

  • August 24, 1891 patent applied for Kinetoscope and Kinetograph


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Bibliography

  • Pictures used by permission Library of Congress American Memory Collection


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