page_title: Zadoc Dederick
hierarchical_section_title: Zadoc Dederick
caption_attribution_description: English: This is a photograph of the Steam Man, a steam powered vehicle invented by American inventors Zadoc P. Dederick and Isaac Grass.
context_page_description: Zadoc P. Dederick was an American inventor. Along with Isaac Grass he was the creator of a steam-powered humanlike robot designed to pull a cart. The invention was patented on March 24, 1868, as patent 75874, and operated through a system of levers and cranks, attached to steam-powered pistons and a boiler. The original prototype cost $2000 and was built in Newark, New Jersey. Plans to produce it for $300 never went through, making this an example of an early development in steam power that was abandoned. Nonetheless, inventions such as this one spurred interest in steam power, as exemplified by novels such as The Steam Man of the Prairies, and by many imitations and hoaxes that appeared as a result.
context_section_description: Zadoc P. Dederick was an American inventor. Along with Isaac Grass he was the creator of a steam-powered humanlike robot designed to pull a cart. The invention was patented on March 24, 1868, as patent 75874,  and operated through a system of levers and cranks, attached to steam-powered pistons and a boiler. The original prototype cost $2000 (about $32,487 in modern US dollars) and was built in Newark, New Jersey. Plans to produce it for $300 never went through, making this an example of an early development in steam power that was abandoned.  Nonetheless, inventions such as this one spurred interest in steam power, as exemplified by novels such as The Steam Man of the Prairies, and by many imitations and hoaxes that appeared as a result.
caption: This is a photograph of the Steam Man, a steam-powered vehicle invented by American inventors Zadoc P. Dederick and Isaac Grass.
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