Agricultural Equipment: Combine
Advertisement for Comstock's New Horticultural Implements.
Advertisement for Comstock's Horticultural Implements
American Agriculturalist 29 (1879), 118.
Engraving of a steampowered combine patented in 1879.
Combine--Patented 1879
Benjamin Butterworth (ed.), Growth of Industrial Art, Washington, D.C.: Government Printing Office, 1892, 17.