Means For Automatically Inflating Pneumatic Tires. (open access)

Means For Automatically Inflating Pneumatic Tires.

Patent for new and improved means for "pumping air into the tires and actuated from the wheel when the latter is in motion" (lines 18-20), including illustrations.
Date: July 17, 1900
Creator: Mills, John Andrew
System: The Portal to Texas History