Keystone (gasoline automobile)

The Keystone was an American automobile manufactured from 1914 until 1915. Designed by Chas C. Snodgrass and built in Pittsburgh, it ran using a Rutenber 55 hp six engine.

References

• Burgess-Wise, David. The New Illustrated Encyclopedia of Automobiles. BookSales Inc; Rev Upd edition (May 2000). pp. 559. ISBN 0785811060.