Description: Papers of Hoyle B. Puckett (1925-), Professor of Agricultural Engineering (1955-1985), contain conference papers, presentations, and 35mm photographic slides; relating to electronics and automation in livestock production systems, development of an automatic feed grinder, pneumatic conveyor, electronic silo unloader controller, devices for automatic livestock feeding and materials handling systems, manual on controls for farmstead automation, produced in association with the Agricultural Experiment Station and the United States Department of Agriculture.