The sound has been found in the form of an old Edisonian recording cylinder. The cylinder was repaired, then Walter Murch ACE MPSE synced the film to the correct music in (I believe) 2002. Total running time is approximately 17 seconds.
A gardener is watering some plants. A small boy stops the flow of water and the gardener looks into his hose. The boy starts the water again, and the gardener is soaked. He fights with the boy. (1 mins.)