00919cam a2200241   4500001001300000003000400013005001700017008004100034010001700075040003600092050002300128070002200151100004300173245007900216260008200295300002600377490007700403504003100480650004000511650002400551810008500575999001700660agr67000363 DLC20260227111027.0691103s1967    dcua     b    000 0 eng c  aagr67000363   aU.S. Nat'l Agr. Libr.cDLCdDLC10aS21b.Z2382 no. 990 aA281.9 Ag8 no. 991 aNewman, Jerry O.q(Jerry Okey),d1936-13aAn economical and efficient heating system for homesc[by Jerry O. Newman.  aWashington]bAgricultural Research Service, U.S. Dept. of Agriculturec[1967]  a26 p.billus.c26 cm.1 a[United States. Dept. of Agriculture] Production research reportvno. 99  aBibliographical footnotes. 0aDwellingsxHeating and ventilation. 3aDwellingsxHeating.10a[United States.bDepartment of Agriculture]tProduction research reportvno. 99.  c12295d12295