- Source: Davidson Automobile Battery armored car
The Davidson Auto Battery armored car was a further development of the Davidson-Duryea gun carriage but with steam power. It was built by Royal Page Davidson and the cadets of the Northwestern Military and Naval Academy in Highland Park, Illinois.
Sources
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"Royal Page Davidson Armored Car". Archived from the original on 2011-07-19. Retrieved 2008-12-04.
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