The Hydromotor, also marketed as the Hydrometer, was an amphibious automobile produced by the Automobile Boat Manufacturing Co. of Seattle, Washington. It was contemporary with the Hydrocar, another amphibious vehicle of the era, but differed…
🔒
Subscribe for Full Access
Brands and models — Full galleries and interactive map
Exotic car catalog — Full brand details and model specs
Documentation archive — Full scans, plus PDF and ZIP downloads
![Kaiser [2]](/img/brands/k/germany-kaiser-2_001.jpg?w=720&h=405)
