Experimental Solar-Dehumidifier Kiln for Dying Lumber.
The Kiln described featured 122 ft of external solar collectors made of aluminum beverage cans, a dehumidifier operated with a high-temperature refrigerant so that the kiln could operate at temperatures to 180 D. F, and a small steam generator to condition the lumber at the end of drying.
Forest Products Journal
Chen, P. Y. S., Helmer, W. A., Rosen, H. N., & Barton, D. J. (1982). Experimental solar-dehumidifier kiln for dying lumber. Forest Products Journal 32(9): 35-41.