Return-stack orchard heater: Virtually smokeless heating service unde for 180 hours without cleaning demented Heater
A. S. Leonard, Mechanical Engineering, Berkeley
Robert A. Kepner, Experiment Station, Davis
California Agriculture 4(6):8-10. DOI: 10.3733/ca.v004n06p8.
A. S. Leonard is Lecturer in Mechanical Engineering, Berkeley. Robert A. Kepner is Lecturer in Agricultural Engineering and Assistant Agricultural Engineer in the Experiment Station, Davis.
Not available – first paragraph follows:
The Return-Stack orchard heater is the only bowl-type heater available at the present time which has been proved by field tests to provide reliable operation over long periods of time without cleaning and without objectionable amounts of smoke, even in mass heating.