"Threshing grain on the Bill Winslow Ranch, Sheephorn 1914. Clarence Rundell, Ammi Hoyt, --?--, Everett Hoyt, Chas. Gutzler." -- verso caption "The machine at left is the thresher, appearing to be an early model that is hand fed as best I can determine. I think men on the stack are feeding the stacked grain into the machine, with straw discharge out of sight to left of photo. In any case, the horses in foreground are hooked to a 'horse power'. This...