"Electric hay hoists."; "Longhouse, A. D. (Alfred Delbert), 1912-"; "Hay--Harvesting.", "Haying equipment."; "Longhouse, A. D. (Alfred Delbert), 1912-"; "1949"; "

Serial issue. Issued as: West Virginia University. Agricultural Experiment Station. Mimeographed circular, no. 62 (1949:Apr.).

"; ""; "P19140"; "pec"; "Hay--Harvesting.", "Haying equipment."; "14256"; .