Temperature Me&iurement* iul Com* bastion Efficiency In Combuotora /or Cot Turbine Engine** bf P T Ohon, Everett Bernardo, National Advisory Committee for Aeronautics.

CATAWISSA VALVE & FITTINGS COMPANY 206 Mill Sirttt CATAWffA.

FANS AND PUMPS IN HOT AND DAMP loeotion* con be lately and efficiently driven by mechanical-drive steam turbines Steam Turbines for Mechanical Drive into* account for using turbine drive: Tj'adiptability to variable-speed needs (j)-ifor direct high-speed applications (3J1 installation in hot or damp locilieu (4) safety in explosive locations.

BUYERS' GUIDE MID.YEAR, 1948 ImUb. 8 Morgan, Co. 800 Lin coln 81 York.

Electrical Power Demand Continues Growth Rate Continuation of the men, rate of growth of electrical power demand in most parts of the United States and a lorge increase in installation rate of new generating capacity were reported re* cently by Ernest R Acker, president of Edison Electric Institute, in comment* ing on results of a survey'just com* .. pleted by a group ofpower-aupply ex perts representing all sections of (he country.

SUNBEAM GRAVITY FURNACES WINTER AIR CONDITIONERS Price Book SE-3 DECEMBER 6, 1948 NOTICE The Trade Prices shown herein do not include freigh t or cartage Page GENERAL TERMS........................................................... 2 FURNACE SELECTION INFORMATION................ 3 SUNBEAM GRAVITY FURNACES........................... 4-8 SUNBEAM FLOOR FURNACES................................. 9 SUNBEAM WINTER AIR CONDITIONERS........... 10-15 ARCOFLAME OIL BURNERS.......................................16-17 GAS CONVERSION BURNERS.................................. 18 SUNBEAM BLOWER-FILTER UNITS...................... 18 AIR FILTERS..................................................................... 18 AUXILIARY WATER HEATER COILS.................... 18 HUMIDIFYING EQUIPMENT..................................... 19 TEMPERATURE CONTROL EQUIPMENT..........................20 &American Radiator .Standard c$anitai*s CORPORATION Pittsburgh 30, Pa. 11614 General Terms AwERiCAN-c^tatidard HEATING EQUIPMENT General Terms Illustrations and descriptions of Plate Numbers listed in the price book will be found in the Warm Air Heating Equipment Section of the "AMERICAN-STANDARD" GENERAL CATALOGUE.

March. 18, 1946 Dr. i . m.

November 16, 1942 Dr Zolton T.

SSTAELSriE!

K W .

May 19, 1944 7Q Dr.

CLINTON H.

W e n d e l l B.

SM - 34 Sh el l O il C om pan y I NCORPORATED Mayo B u i l d i n g Tu l s a , Ok l ah o ma July 31, 1941 Dr.

Willard S t o r a g e B a t t e r y Co m p a n y MAIN O FFICE A N D FACTORY 2 4 6 - S B 6 E. 131 S-T ST.