Good shots of factory workers arriving at the start of a shift.
Probably United States of America (USA).
Ext. scenes as whistle blows to start shift. Factory gates are opened and workers stream in. MV as workers wave their hats at the camera. Once inside the hang up their coats and hats in a cloakroom / changing room. MS a man turns a handle to start the machines. VS of large machine wheels starting to work.
N.B. Item found in Unidentified Gazettes reel.