Motorcycles

President Harry S. Truman (not visible) in his car preparing to leave the Cecilienhof Palace, site of the Potsdam Conference in Potsdam, Germany. From Potsdam album, 1945.

A platoon of District of Columbia Metropolitan Police motorcycle escort move down Pennsylvania Avenue during the 1949 Inaugural Parade. This photo came from an album of photos given to members of Battery D, 129th Field Artillery that attended the Inauguration of President Harry S. Truman.

Washington, D.C. policemen ride motorcycles in the 1949 Inaugural parade. Donor: Jerrold Gilbert.

Policemen ride on motorcycles in the 1949 Inaugural parade. Caption in original scrapbook read, "Washington's Finest." Donor: Jerrold Gilbert.

A Dunlop tire on a motor scooter. The French caption indicates that this was a test of a new experimental tire.

Photo of four men identified as Col. Harpes, the military attache of the U. S. Embassy; M. Portel, the engineer; Col. Dillon; and M. Brenner, the inventor. The French caption indicates that this photo relates to a test of a new experimental Dunlop tire for a motor scooter.

A Dunlop tire. The French caption indicates that this was a test of a new experimental tire for a motor scooter.

A Dunlop tire on a motor scooter. The French caption indicates that this was a test of a new experimental tire. There is an unidentified man riding the scooter.

Richard C. Patterson sits in a sidecar of a motorcycle driven by an unidentified person. He appears to be in World War I military uniform.

The Miami, Florida Police Department Motorcycle Patrol Unit participated in the 1949 Presidential Inaugural Parade. All are unidentified.