Very first trial of the steam rotary snow blower R # 12 in the gorge of the Furkareuss near Realp, after a 18 year restoration by the "R 12 group" of Martin Horath in Goldau. Shoving is cogwheel steamlocomotive HG 3/4 # 4 of the DFB. The not self propelled R 12 was built in 1913 by the SLM Winterthur for the main network of the Rhaetian Railway.
