 The grass clippings were thrown forward into a tray-like box. The patent description added, Country gentlemen may find in using my machine themselves an amusing, useful, and healthy exercise. Two of the first machines went to Regents Park Zoological Gardens in London in the Oxford Colleges. Mr. Curtis, the foreman at Regents Park, said of the machine, It does as much work as six or eight men with scythes and brooms, performing the whole so perfectly as not to leave a mark of any kind.