American Society of Heating and Ventilating Engineers Guide, 1928 Table 4.

Total B.t.u. per hr. 15062 15960 16859 17758 18656 900 225 396 American Society of Heating and Ventilating Engineers Guide, 1928 Total B.t.u. per hr. 823 1313 1810 2304 2798 493 246 CM SO O' CM Os 00 l" SO CM t"* CM C-.

i r(MFviMIKiUWM%V*<NI C* GOVERNMENT OF WESTERN AUSTRALIA G^Z/ ^-------- ^ GOVERNMENT CHEMICAL LABORATORIES Ta.

D-C MOTOR CONTROL Reduced Voltage--Magnetic--Constant Speed 253 o<-G<O nz mgo 1=0 0^=0 v WHEN ORDERING SPECIFY Catalog number Full load current .

New Withdrawal, Stock Purchase and Loan Privileges Available in Revised Thrift Plan Regulations governing three new features of the revised Thrift Plan, which went into effect January 1, have been announced by the Fund's Trustee.

8004 1923 Wet/Dry Heavy-Du Commercial Canister Vacs Lightweight, powerful and portable wet/dry canister vacs with super quiet operation, designed tor use m facilities requiring equipment at a moderate cost.

Valves The Dole Valve Company 1923-1933 Carroll Avenue Chicago, 111.

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 Society of Heating and Ventilatin Engineers Guide 1924-25 PART I HEATING INTRODUCTION IN an effort to establish a more uniform practice in the design of heating systems and the installation of the necessary equipment by engineers, architects and contractors, the Society has undertaken the compilation of the most practical information available on the subject and for this data has drawn upon the experience of its members, the results of its Research Laboratory investigations, reports Of its technical committees, the Transactions and other reliable sources.

American Society of Heating and Ventilating Engineers Guide, 1924-25 American Society of Heating and Ventilating Engineers Guide, 1924-25 Fig. 55.

American Society of Heating and Ventilating Engineers Guide, 1926-27 and about three times as much gas will be required than if it were burned in a properly designed appliance.

American Society of Heating and Ventilating Engineers Guide, 1928 weather.

American Society of Heating and Ventilating Engineers Guide, 1928 Unless the resistance of the unit is to be increased the spray chamber must be increased to allow for the space occupied by the coil in the air path.

Air Conditioning Savage Arms Corporation AIR CONDITIONING DIVISION 100 East 42nd, New York, N.

Heating Systems ______________________________ Connectors The National Radiator Company AMODERN DESIGN HEATING EQUIPMENT Johnstown m Pennsylvania Baltimore. .