Founded in 1876 by Francis Lechner and Joseph A. Jeffrey, the Jeffrey Manufacturing Co. produced the USA's first power-driven coal cutter. The company quickly grew into one of the largest suppliers of coal mine and industrial equipment in the world. This power house catalog dates from 1924, and showcases Jeffrey's extensive line of bucket carriers, conveyors, elevators, weigh larries, track hoppers, track feeders, skip hoists, crushers, coal storage equipment, and more. It provides a fascinating glimpse into the industrial age, and is a useful reference for the museum docent, model...