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Abner Doble
Abner Doble (March 26, 1890 – July 17, 1961), was an American mechanical engineer who built and sold steam-powered automobiles.〔Fox Stephen (1998). ''The Strange Triumph of Abner Doble'' In - Invention & Technology Magazine, Volume 14; Issue 1.〕 His steam engine design was used in various automobiles from the early 1900s, including a 1969 GM prototype and the first successful steam powered aeroplane. His father was William Ashton Doble, inventor of the Doble water wheel.
==Family history==
Doble was born on 26 March 1890 in San Francisco, one of four brothers. Doble's forebears had migrated from England to the US in the mid-1700s. Doble's grandfather (also named Abner) was born in Indiana. He had been a sailor, a smith, and a lumberman, who became a journeyman blacksmith and subsequently became partner in Nelson and Doble. Nelson and Doble company became one of the biggest manufacturers of miner's and blacksmith's tools on the Pacific coast during the California Gold Rush. The company went on to become famous manufacturing William Doble's water wheel turbines for mining applications. The company expanded to make drays and street cars for San Francisco, as well as being involved in operating a local railroad company. In about 1892 Doble's grandfather formed the Abner Doble Company assigning his interests to his sons Robert and William, Abner's father.
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