John D. Rockefeller's son-in-law breeds a new strain of cow to give plenty of milk in Williamstown, Massachusetts.

A new strain of cow developed to give a record quantity of milk in Williamstown, Massachusetts. Men pull two cows in the lawn of a building. A cow named Mount Hope being pulled by a man. John D. Rockefeller's son-in-law who has produced this new breed of cow. Cow being fed as a man milks the cow. Man weighs the milk collected with a weighing meter.