- Beulah Louise Henry
Beulah Louise Henry (
February 11 1887 – 1973 [cite web | title=IEEE History Center Biography of Beula Louise Henry | url=http://www.ieee.org/web/aboutus/history_center/biography/henry-b.html | work= [http://www.ieee.org/ ieee.org] | accessdate=2006-08-07] ) was an Americaninventor from Memphis,Tennessee. She has the nickname Lady Edison. She was awarded many patents including a bobbin-free sewing machine and a vacuum ice cream freezer.A partial list of Henry's inventions includes: [cite web | title = Beulah Henry at about.com | url=http://inventors.about.com/library/inventors/blbeulah.htm | work= [http://www.about.com/ about.com] | accessdate = 2006-08-07]
* vacuum ice cream freezer (1912)
* umbrella with a variety different colored snap-on cloth covers (1924)
* the first bobbinless sewing machine (1940)
* "Protograph" - worked with a manual typewriter to make four copies of a document (1932)
* "Continuously-attached Envelopes" for mass mailings (1952)
* "Dolly Dips" soap-filled sponges for children (1929)
* "Miss Illusion" doll with eyes that could change color and close (1935)References
External links
* [http://www.ieee.org/web/aboutus/history_center/biography/henry-b.html IEEE History Center Biography of Beula Louise Henry]
* [http://web.mit.edu/invent/iow/whm2.html MIT Inventor of the Week Archive about Henry]
* [http://www.csupomona.edu/~plin/inventors/henry.html Bio including a picture]
Wikimedia Foundation. 2010.