Notes

Notes
1
Royce G. Kloeffler, "Water Heating in the Home," Kansas State Agricultural Bulletin II (June 1, 1921), pp. 1-35.
4
Statistical Abstract of the United States (Washington: Depart- ment of Labor, 1919), p. 576.
5
F. A. Brooks, "Use of Solar Energy for Heating Water in California," Report of the California Agricultural Experiment Station, Bulletin 602 (1936), p. 7.
7
Lee McCrae, "Utilizing Sun Rays in a Home," Countryside Magazine, 23 (October 1916): 203.
8
Patent Assignment Records, Customer Relations Office, U.S. Patent Office, Washington, D.C.
9
The Los Angeles Times, (June 3, 1900), Part 1, p. 7.
Samuel Stratton is taken from "The Solar Water Heater," Pasadena Daily Evening Star, (August 17, 1896), p. 1.
10
Background information on Frank Walker appeared in James M. Guinn, A History of California and Its South- ern Counties (Los Angeles: Historical Record Company, 1907), P. 871.
Technical information on Walker's solar wa- ter heater is from U.S. Patent 705, 167 (April 19, 1898).
11
Articles of Incorporation for the Solar Motor Company (California: July, 1903).
13
"Praise for Solar Heater," The Architect and Engineer ofCali- fornia, Vol. 8 (March, 1907), p. 98.
14
Brooks, pp. 35-37.
18
"Solar Heater—A Monrovian Perfects a New and Improved Heater," Monrovia Daily News, July 3, 1909, p. 1.
20
Monrovia Daily News, July 17, 1909, p. 1.
23
Day and Night Solar Water Heater Company Sales Brochure (1914), U.S. Patent 1,242,511 (October 9, 1917)
F. A. Brooks, "Use of Solar Energy for Heating Water in California," pp. 52-54.
24
"Let the Sun Do the Work," Arizona Magazine (October, 1913), p. 9.
26
"Old Sol Har- nessed for Domestic Service," Metal Worker, Plumber and Steam Fitter, Vol. 81 (May 29, 1914), pp. 711-712.
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