MOTION PICTURES FOR SCIENCE CLASSES Motion Pictures Shown at the A. C. S. Institute, Evanston, Illinois

July 23 to August 18,1928

Number of reels, where known, given in parentheses ( ). Each reel requires about 15 minutes for showing. All films in this list are of standard width, 35 mm., but some may also be obtained in the 16 mm. width.

General Electric Company, Visual Instruction Service, 230 S. Clark St., Chicago, Illinois; there are several branches in other cities. Beyond the Microscope (1); The Sugar Trail (Beet Sugar) (1); Liquid Air (1).

Y. M. C. A. Motion Picture Bureau, 1111 Center Street, Chicago, Illinois; there are several branches in other cities. Catalog available. The Story of Compressed Air (2); The Story of Bakelite (2) (not shown); Inside Out (Story of Digestion in Animated Drawings) (1); Tena Cot& (1).

E. I. du Pont de Nemours and Company. Publicity Bureau, Wilmington, Del. Letting Dynamite Do I t ( 1 ) ; The Story of Dynamite (2); Building N m York's Newest Subway (1).

U. S. Department of Agriculture. Motion Picture Laboratories, 1363 C Street, N. W.. Washington, D. C. What's Ahead (2); Projitr from Cull Oranges and Lemons (1'/*); Dust Explosims (I).

Suchar Process Corporation, 72 Wall Street, New York, N. Y. Cane Sugar Manu- facture (2).

William J. Ganz, 507 Fifth Avenue, New York, N. Y. Fyrc-Freez Ezlinguisher (1). Forest Pmduds Laboratory, Madison. Wisconsin. Wood Wisdom (1); A Forest

Axiom (1). Synthetic Nitrogen Products Corporation, Agricultwal Department, 285 Madison

Avenue, New York, N. Y. Making Air-Nitrogen i n Germany (2). Carbomudum Company, Niagara Falls, N. Y. The Jewels of lndurtry (6). American Chemical and Potash Corporation, 233 Broadway, New York, N. Y.

Extraction of Pokzssium Salts from Searla Lake (2). The Viscose Company, 171 Madison Avenue, New York, N. Y. The Romance of

Rayon (2). Eastman Kodak Company, Kodak Park Works, Rachester, N. Y. The Grmuth of

Crystals (J/d. American Rolling Mill Company, Middletown, Connecticut. The Manufacture of

A m o Ingot Imn (2 and 4). The Barret Company, Agricultural Department, Medina, Ohio. The Manufacture

and Use of Ammonium Sulfate (2). U. S. Bureau of Mines, 4800 Forbes Street, Pittsburgh, Pennsylvania. The Story

of Sulfur (2); The Story of Nte Storage Batkry (2 ) ; The Story of Petroleum (7); The Story of the Fabrication of Copper (2); The Story of e Spark Plug (2); The Stury of Port- land C e m t (1).

Armstrong Cork Company, Lmoleum Division, Lancaster, Pennsylvania. Lino- leum Manufwture (2).

Carpenter-Goldman Laboratories, Inc., 161-179 Harris Avenue. Long Island City, N. Y. Electric Measurement (5).

Standard Oil Co. of Indiana, Engine .Laboratory. Whiting, Indiana. The Mecha- nism of Lubrication (1) (not shown a t Institute).

Heinz Rosenheraer, Rockefeller Institute for Medical Research, 66th Street and - ~

Avenue A, New York, N. Y. Colloids (2) (not released in time for Institute showing). Save the Surface Campaign, 18 East 41st Street. New York, N. Y. The Romancc

of Paint and Varnish (4).

VOL. 5, No. 10 MOTION PI-s aon SCIENCE C~nssgs 1295

E. R. Squibb and Sons, Pharmaceutical Division, 80 Beekman Street, New York, N. Y. Sunshine from the Sea (3).

Malcolm MacFarlane. New York Central Lines, 466 Lexington Building, New York, N. Y. The Mining and Preparation of Bituminous Coal (2).

Milwaukee Sewage Commission, 508 Market Street, Milwaukee, Wis. The Mil- waukee Sewage Disposal Plant (2).

Parke, Davis and Company, c/o Chief Chemist, Detroit, Michigan. The Manu- facture of Biological Products (2).

U. S. Chemical Warfare Service, War Department, Washington, D. C. Peacetime Activities of the Chemicd Warfare S&u (2).

International Paper Company, Park Avenue and 42nd Street, New York, N. Y. Paper (6).

International Harvester Company Advertising Department, 606 South Michigan Avenue, Chicago. Illinois. Catalog available. The Making of Steel (2).

Additional motion pictures of interest to chemists (including some of those shorn at the A. C. S. Institute, State College, Pennsylvania, July 5 to 28, 1927)

Carpenter-Goldman Laboratories. Inc., 161-179 Harris Avenue, Long Island City, N. Y. The Principles of Magnetism (2); The Principles of Electrostatics (2); The Prin- ciples of Current Electricity (2); The Principles of Electromgnetism (2); The Principles of Current Gmerolion (2).

National Tube Comuanv. 1802 Rrick Buildiua. Pittsburah. Pennsvlvania. The . .. .. - . Arteries of Industry (Manufacture of Steel Pipe) (5).

Eastman Kodak Company, Kodak Park Works, Rachester. N. Y. A Trio throud . .~ - Fildand.

Ontario Bureau of Mines. Mining Nickel and Copper Ores (1). G. H. Mead Company, Dayton, Ohio. From Spruce to Newsprint (7). Educational Film Exchange, 829 S. Wabash Avenue, Chicago, Illinois. (Films for

rental or sale only.) Catalog available. The Ant; The Mosquito. General Electric Company, Visual Instruction Service, 230 S. Clark St., Chicago,

Illinois. Catalog available. The Conductor (Manufacture of Lamp Cord); Big Deeds; Wieerdry of Wireless; Our Daily Bread.

International Nickel Company. 67 Wall Street, New York, N. Y. The Manufac- ture of Nickel.

Certainteed Products Corporation. 100 E. 42nd Street. New York. N. Y. From Rags lo RoqFng (1).

U. S. Bureau of Mines, 4800 Forbes Street. Pittsburgh, Pennsylvania. Catalog available. Copper (2); Oxygen the Wonder Worker (2); he .Story of Asbestos (4); The Story of Heat Treatment of Steel (2 ) ; Fire Clay Refractories (4).

Hammermill Paper Company, Erie, Pennsylvania. The Manufacture of Paper. Y. M. C. A. Motion Picture Bureau, 1111 Center Street, Chicago, Ill. Catalog

available for many interesting films on varied topics. E. I. du Pont de Nemours and Company, Publicity Bureau, Wilmington. Del.

A Visit to the Nitrate Fields of Chile (1). Western Electric Company, Motion Picture Bureau, 120 W. 41st Street, New

York, N. Y. Catalog available. E. R. Squibb and Sons. Pharmaceutical Department, 80 Beekman Street, New

York, N. Y. The Preparation and Testing of Biologicd Produds (5). Foamite-Childs Corporation, Utica, New York. Use of Foam i n Eztinguirhing Oil

Firer (5).

1296 JOURNAL OF CHEMICAL EDUCATION OCTOBER, 1928

The Koppers Construction Company, Pittsburgh, Pennsylvania. Operetion of a Tyfi.cal By-Produd Coke Plant.

The Educational Screen, 5 South Wabash Avenue, Chicago, Illinois. Catalog available: "I000 and One, the Blue Book of Non-Theatrical Films"-ontains names, explanations, and distributors of all educational and non-theatrical films.

I t may be of interest to add that the News Edition of Industrial end Engineering Chemistry for October 10, 1927, contained a list of all the films which were shown a t the first A. C. S. Institute, State College, Pennsylvania, July 5 to 28. 1927.

The following film is a very important addition to those shown a t the Evanstan Institute: Ellice McDonald. University of Pennsylvania Medical School, Philadelphia, Pennsylvania. The Growth of Living Tisszre (3) .