BRANDON— If you think only old farmers were gathered around the steam threshing demonstration on Saturday during Brandon’s SummerFest, you’d be wrong. And when he clambers down from the machine, sweaty, grinning and covered in chaff, it turns out that’s how he feels. “We had our steam engine here last year; it's a 1912 Case 75-HP steam engine. So we brought these tractors, which were the next in line after the steam engines. “You look at a screen now, and it tells you everything that machine is doing.