Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.
As dangerous as auto racing is today, races in the early days were even more so. Note the unbanked dirt track and the open cockpit in these cars.
That's my great, great Uncle Willie driving the Fronty Ford marked with a 7. Apparently, he held a few local records on the 50-mile dirt track. This is from 1924 in Cedarburg, Wisconsin - a suburb of Milwaukee. View full size.