Document kmB8rq8Zr2GZpgvwO7RxDegRJ

Industrial Hygiene Digest - 8 January, 1950 should be limited to poisons with definite toxicity standards or vhere such is provided by lav. On small packages the signal ward and statement of hazards, at least, should alvayB be used. Sample's and nev products far in vestigational use Involve same modification of the rules. Some directions are given for handling and storage. In Fart II yarning labels for a large number of common substances are illustrated, and similarly in Part III for economic poisons. -- F.F. Rupert 23 Industrial Microbiology. S.C. PreBcott and C.O. Dunn. Second Edition. McGrav-Hill Book Company, New York. 921pp. (1949) $8.50. This volume is a remarkably complete review of the methods in current industrial use for the production of those materials which may be obtained by fermentation. These materials discussed Include the production of vines, beers, and liquors from yeasts, the production of industrial alcohols, the production of industrial acids from bacteria and molds, the production of antibiotics, and such minor interesting phases as the production of pickles, cheese, fermented milks, and Bauerkraut. Under each type of material, the exact method together with quantities of various materials are given, the flow charts are presented, the apparatus is discussed, and Borne of the mare common problems are mentioned. Government regulations are covered where necessary. As a supplement to the industrial methodology, the physiology and biochemistry of the various microorganisms are covered in both theory and in actual knowledge. This should prove to be a very valuable volume for those employing microorganisms in the production of many materials either on the laboratory or commercial scale. -- Jack H. Brown 24 Report of the Baruch Committee an Physical Medicine for Period of January 1, 1948 to June 30, 1949. F.H. Krusen, Director, and others. 50 north Michigan Avenue, Chicago 2, Illinois. l88pp. (1949) First is a brief biography of and tribute to the Committee's late Chairman, Ray Lyman Wilbur. The Director presents the history of the vark of the Committee, and especially of uniting physical medicine and rehabilitation. Mr. Baruch's father. Dr. Simon Baruch, was a pioneer in physical therapy, especially hydrotherapy, and bis vork in that field is described. A large portion of the report includes the contributions of subcommittees aM individual reports from the teaching and research centers and projects in physical medicine supported by grants from the Committee. Especially impressive is the list of papers reporting an research supported by grants. The next section describes the exhibit on physical medicine held in 1948, the exhibit symposium on physical medicine and rehabilitation in 1949, arid a list of motion pictures on the subject. Part V is a report of the subcommittee an civilian rehabilitation centers, and American health resorts are discussed briefly. --- F.F. Rupert 25 Never Too Old. Nev York State Joint Legislative Committee on Problems of the Aging.- Legislative Document No. 32. 2l6pp. (1949) Available free from State Senator Thomas C. Desmond, Chairman, above committee, 94 Broadway, Newburgh, Nev York. The preliminary report of this committee appeared over a' year ago under the title, "Birthdays Don't Count," (IHF Abet. 1145, Dec. 1948). Like the