An economical and efficient heating system for homes
Newman, Jerry O. 1936-
An economical and efficient heating system for homes [by Jerry O. Newman. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture [1967] - 26 p. illus. 26 cm. - [United States. Dept. of Agriculture] Production research report no. 99 . - [United States. Department of Agriculture] Production research report no. 99. .
Bibliographical footnotes.
agr67000363
Dwellings--Heating and ventilation.
Dwellings--Heating.
S21 / .Z2382 no. 99
A281.9 Ag8 no. 99
An economical and efficient heating system for homes [by Jerry O. Newman. - Washington] Agricultural Research Service, U.S. Dept. of Agriculture [1967] - 26 p. illus. 26 cm. - [United States. Dept. of Agriculture] Production research report no. 99 . - [United States. Department of Agriculture] Production research report no. 99. .
Bibliographical footnotes.
agr67000363
Dwellings--Heating and ventilation.
Dwellings--Heating.
S21 / .Z2382 no. 99
A281.9 Ag8 no. 99