Ladislav Sutnar. Herman Nelson Unit Heaters. 1941-1950 | MoMA
Indirect Fired Heater for remote locations & emergency situations
3-IN-1 HERMAN NELSON INDIRECT RECIRCULATING HEATER 588,000 BTU/h Temperature Range 150 °F – 250 °F Run time: 19 Hours at 100% Load Ductability 150 ft... | By Aerotech Herman Nelson International | Facebook