British Made - Testing Army Motorcycles (1915)

British Made - testing army motorcycles near Coventry, West Midlands - 1915. Opens with a guy riding motorcycle around (literally; in circles) in a swamp with water about halfway up the wheels; tall trees on bank; etc. Poor quality makes it look misty & mysterious. Several riders approaching in shallow river; with people standing on the bank; watching; the biker in the lead has a small wreck; he just tips over in the water - splash! - a sort of funny slapstick moment. Other bikers continue; then the guy