170 Am.

f would keep the heat shut off 21 hr. out of a possible 24, and that with an average outside temperature of 16 deg. the heat was on the radiator only a trifle more than 5 hr. per day.

AMERICAN SOCIETYOF HEATING & VENTILATING ENGINEERSGUIDE1923 J AMERICAN SOCIETYOf HEATING & VENTILATING ENGINEERS GIHDEES3 Fig. 53.

D iameter of Pipe Cubic Feet per M inute American Society of Heating and Ventilating Engineers Guide, 1924-25 tOOOfiOQ 000,000 00.000 303.000 404000 yx/poo tOOjSQO 00,000 190.000 60,000 60,000 saooo 40.000 30.000 0,000 0,000 to,000 6.000 6,000 5.000 4.000 3.000 c.000 f.SOO t.ooo 000 400 300 400 300 HOW TO USE THE FRICTION CHART While this chart can be used to determine the friction of air which is flowing through ducts, it can also be used for determining the size of a pipe to handle a specified volume or the velocity that will be necessary.

American Society of Heating and Ventilating Engineers Guide, 1924-25 branch plus the drop in the various sections of the main, plus the drop in the discharge pipe.

and Heating by Radiation have been entirely rewritten.

American Society of Heating and Ventilating Engineers Guide, 1925-26 The boiler shall be connected with a short, direct smoke-pipe to a chimney flue of suitable size, height and construction to give proper draft.

Fans and Ventilating Equipment American Blower Company Detroit, Michigan Atlanta, Ga., 614-615 AUen Bldg.

Roll of Membership LOWNSBERY, Benjamin F., (1920), Htg.

American Society of Heating and Ventilating Engineers Guide, 1928 ft ill !

American Society of Heating and Ventilating Engineers Guide, 1928 makers of air sealed tank in basement equipment furnish tank sizes for the different amounts of.radiation as follows: Square Feet of Radiation Gallons 250 to 350........................ 18 350 to 450............................................ 21 450 to 650........................................... 24 650 to 900........................................... 30 900 to 1100............................................ 35 1100 to 1400............................................ 40 Square Feet of Radiation Gallons 1400 to 1600...................................... 54 1600 to 1800...................................... 60 1800 to 2000...................................... 70 2000 to 2400...................................... 80 2400 to 2800..... ....... !.........................

American Society of Heating and Ventilating Engineers Guide, 1928 to be encountered to a temperature above freezing.

American Society of Heating and Ventilating Engineers Guide, 1929 Chapter XVII--Heat Exchangers for Water and Oil where D = inside diameter of pipe in inches.

American Society of Heating and Ventilating Engineers Guide, 1929 F ig . 2, M a in an d B ranch P ipes for E q ual F r ic tio n per F oot of L eng th Chapter XXVIII--Air Duct Design and Construction ducts; and C = 45 for smooth and 40 for rough conduits of tile, brick or concrete.

FILE NAME: General Electric (GE) DATE: 1928 Sept DOC#: GE070 DOCUMENT DESCRIPTION: Bridgeport, CT Factory Report . 1 ^ ^ * $ -lu^ ' !