Show Volunteers at Midwest Old Threshers

For the thousands who attend antique farm equipment shows each summer, it's all about fun. But for a show volunteer, it's a good deal closer to work.

Alice Rohrssen, an operator at the Midwest Old Threshers Reunion steam power house, with a unit produced by Vilter Mfg. Co., Milwaukee. "This was used to pump ammonia," she says. "It ran continually from 1908 to the 1950s, when it was retired, and never failed once."