1973 Formula 1 World Championship: 1973 United States Grand Prix. Watkins Glen, New York, USA. 5-7th October 1973. A marshal holds out a blue flag as cars head down the hill out of turn 6. Ref: 73USA06. World copyright: LAT Photographic
1973 United States Grand Prix.
Watkins Glen, New York, USA. 5-7th October 1973.
A marshal holds out a blue flag as cars head down the hill out of turn 6.
Ref: 73USA06. World copyright: LAT Photographic