@book{bhlitem59407, title = {Rough and tumble engineering; a book of instructions for operators of farm and traction engines }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/59407}, note = {https://www.biodiversitylibrary.org/bibliography/19590}, publisher = {Madison, Wis, American Thresherman, [1891]}, author = {Maggard, James H.}, year = {}, pages = {198}, }