Inventor Beulah Louise Henry: Known as “Lady Edison”
She moved to New York in 1924 and founded two companies where she created some of her inventions; later she worked for the Nicholas Machine Works (1939-55). She also served as a consultant to several companies that manufactured new items, including a linotype company and the International Doll Company. She seemed to live only in hotels; she joined several scientific organizations.
Many Inventions to Her Name
Her inventions include:
- Vacuum ice cream freezer (1912)
- Umbrella with covers that can be changed to coordinate with one’s outfit (1924)
- “Dolly Dips,” soap-filled sponges for children (1929)
- “Miss Illusion,” doll with eyes that could change color and close (1935)
- A “protograph” a typewriter accessory that could make four copies of a document (1932)
- A bobbin-less sewing machine (1940)
- Linked envelopes to simplify mass mailings (1952)
She was inducted into the National Inventors Hall of Fame in 2006.