Public domain
Columbus, Ohio. Randy Pribble, a bus driver for the Pennsylvania Greyhound Lines, Incorporated, checking tires on a bus by thumping them before taking it out on a run. Since there are two tires on the back, the sound is the best way of telling if one of them is flat
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineColumbus, Ohio. Randy Pribble, a bus driver for the Pennsylvania Greyhound Lines, Incorporated, checking tires on a bus by thumping them before taking it out on a run. Since there are two tires on the. 1943-01-01. Bubley, Esther. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.