Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 403
e 3X6windows. Here all surfaces must be considered. Area of windows = 3 (3X6)Area of walls = 4 (10 X10) - = 54 sq. ft.54=364sq. ft. ELECTRIC HEA TING 3,057 Area of floor = 10X10 = 100. B.t. u. lost through windows = (70-32) X.776X 54 = 1,592.4 B. t. u. lost through walls = (70-32) X.l X346 =… … FIBER INSULATORBRASS SCREWSMICA 41 OUTLET Figs. 4,409 and 4,410.—Exterior and sectional view of Good Housekeeping electric waterheater designed to be connected on the circulation pipe of a kitchen boiler or other storagevessel for hot water. There is a resistance coil using 750 watts per hour (or…
Electrical engineering
Internet Archive · Brigham Young University · Public Domain Mark 1.0. Free to use for anything.
