During the 1860s, mechanical chopping products were being designed; from these came the fashionable devices like mechanical mowers and balers. In 1872, a reaper that made use of a knotter unit to bundle and bind hay was invented by Charles Withington; this was commercialized in 1874 by Cyrus McCormick. https://maschio-gaspardo-sprayer25814.laowaiblog.com/13878619/examine-this-report-on-welger-rp15-parts-catalog