{ 
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PUBLISHED MONTHLY <3 
Science and Industr 
OFFICIAL JOURNAL OF THE 
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Commonwealth Institute of Science and Industry. 
Vol. 2. JULY, 1920. 
FHLMC 
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a 
PAGE 
Leader 385 
Editorial Notes 389 
Town Planning—‘‘The Light” Journal. ~ Fuel Economy in Germany. 
Power Alcohol. Turpentine and Rosin: New Indian Source. 
Economic Botany and Chemical Industry. Potash from Kelp in California. y 
Research on Concrete. Potash from Kelp in Australia» 
Borax as Plant Poison. “Industry and Science.” 
Substitute for Tartaric Acid. ' An Institute of Physics. 
Oil of Pine Needles. . Swiss and German Dyestuff Profits. 
Japanese Expansion. Resignation of Professor Masson. 
Crop Losses. By Ewen Mackinnon, B.A., B.Sc. 398 
The Imperial Aspects of Chemical Science. By Sir Wm. J. Pope, F.R.S. 408 
The Commonwealth Serum Laboratories. By W. J. Penfold, M.B., B.Hy.... 419 
 Blow-fly Pest. By E.N.R. 428 
Temperature Control in Industries. By Richard P. Brown 43] 
Fixation of Nitrogen. By E.M. | . 434 
Mangrove Tanning 437 
Vitamines. By R. G. Linton : 438 
Scientific and Technical Societies 442 
Personal. Mr. A. E. Leighton 445 
Reviews AF 447 
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