The popularity of frozen food , particularly frozen peas, in the late 1950s and 1960s led to a design rethink in harvesters. An increase in the machines’ capacity meant the market could keep pace with demand. Peas were first harvested by swathing them, then bunching the vines into heaps and finally bringing them to the farmyard, where static viners operated. However, the huge inefficiency of carting large volumes of material led to the development of trailed machines built by the […]