2013-05-142013-05-141940shttp://hdl.handle.net/10605/29796Negative of a tractor with a metal drum on board in a field of crops taken circa 1940s.1 negative : b&w : 4 x 5 in.The images in this collection are for study purposes, teaching, classroom projection and research only. To use these digital files in any form, an attribution of "Courtesy of the Southwest Collection/Special Collections Library" must accompany the image.Agricultural machinery.Tractors.Farm equipment.imageSouthwest Collection/Special Collections Library