Underwood 4-Bank Standard Portable
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The Underwood 4-Bank Standard Portable was the first portable typewriter produced by Underwood.
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Contents
History
As a result of the 1920 Remington Portable No. 1 -- the first portable typewriter with 4 rows of keys-- making the existing Underwood 3-Bank Standard Portable somewhat obsolete, Underwood decided to develop a portable typewriter with 4 rows of keys. Underwood designer Kurowski was told to develop a portable typewriter similar to the 3-Bank portable design.
Mechanisms
Notes and Misc./Reference List
https://oztypewriter.blogspot.com/2011/11/underwood-portable-typewriters-1919.html