Inventors

1
Inventors

• Mrs. Curry
• Oakway Middle School
• March 22, 2003

2
Beulah Louise Henry
1887 ????
1887 - 1949
3
Vacuum Ice Cream Freezer

• Ms. Henrys first patent
• Patented in 1912

4
Snap-on Umbrella Covers

• 1924 Umbrella with snap-on covers
• Sold process for 50,000

5
Toys

• Educational
• Kiddie Klock
• Cross Country board game
• Other
• 1929 Dolly Dips
• 1935 Miss Illusion doll

6
Other Inventions

• 1932 Protograph
• 1940 Bobbinless sewing
• machine
• 1952 Continuously-attached envelopes

7
Samuel Finley Breese Morse
1791 - 1872
8
Telegraph

• 1832 idea of telegraph
• 1840 granted patent
• 1858 transatlantic telegraph

9
Morse Code

• 1838 invents Morse Code
• Dots and dashes are symbols for letters and
  numbers

10
First Message

• Sent message May 24, 1844
• From Washington, D.C to Baltimore, MD
• What hath God wrought?

11
Alexander Graham Bell
1847 1942
12
Telephone

• 1874 sketch of telephone
• February 14, 1876 applied for patent

13
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

14
Other Inventions

• Photophone
• 1881 Metal Vacuum Jacket
• breathing apparatus
• February 23,1909 Silver Dart
• first powered flight in Canada Silver Dart

15
Thomas Alva Edison
1847 - 1931
16
Phonograph
1887 New Phonograph
1877 Cylinder Phonograph
First Words Recorded Mary Had a Little Lamb
17
Light Bulb

• 1878 1879 light bulb lasts for 13 hours

18
Kinetoscope and Kinetograph

• 1888 idea for Kinetoscope
• August 24, 1891 patent applied for Kinetoscope
  and Kinetograph

19
Bibliography

• Pictures used by permission Library of Congress
  American Memory Collection