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the book:


Keystone 1

First year of production:
Keystone Typewriter Company. , Harrisburg, Pa , USA
Serial nr:

The Keystone, introduced in 1899 was a cheap version of the Hammond. It worked with a single element swinging sector, and the hammer that struck the back of the paper. The machine consisted of no more than 146 parts and cost 35 dollars.

The Keystone had a spring-driven hammer, like the Hammond, which produced an equally even text (see pics 5 and 6). The Keystone 1 was an open model that did not have the cover with the decal that can be seen on the Keystone 2. In stead it had the name in gold and a logo plate on the base board. The actual logo can be seen on the paper basket in the rear.
See the book “Typewriter”, page 133

Courtesy of: Costa collection