Example (no.6173) of the "Rapid Computer" patented in 1892 by the Baker-Vawter Co.
- Made:
- 1892-1900 in Benton Harbor
Example (no.6173) of the "Rapid Computer" patented in 1892 by the Baker-Vawter Co., Benton Harbor, Michigan, USA, in case, with instruction leaflet and stylus