Bubble flotation sparks mining revolution and profits
The article outlines how the flotation method uses bubbles to separate valuable sulfide minerals from ore, boosting copper, zinc, and lead production. It notes the need for colloid and practical chemistry knowledge, investments in ore dressing labs at Columbia, and the growing demand for trained specialists to design and operate flotation systems.
MENTIONED IN THIS ARTICLE
New York
Columbia University
Columbia
Heath Dean Deoarge B. Pegram
Columbia School of Mines, Engineering
Arthur F. Yayyeart
Taggart
Pousart
Anon
Trenecett
Training for Ore Dressing Experts Proposed in College Curriculum
A proposed college program outlines a foundation in fundamental sciences and English, followed by a superstructure of mineral properties, design principles, power generation, mining methods, metallurgy, and business finance. Students complete an independent ore dressing project and may select electives in chemistry physics or metallurgy aligned with their research.
MENTIONED IN THIS ARTICLE
Fundamentidd
Dust Dangers Highlighted In New Educational Film
The U S Department of Agriculture and United States Grain Corporation released Explosive Trusts a one reel film showing grain dust hazards. The prior two reel Grain Dust explosions in Mills and Elevators was shown nationwide to aid disaster prevention during the war. The new film targets schools grain workers fire prevention and insurers and can be loaned or purchased through field staff or the department.
MENTIONED IN THIS ARTICLE
United States Department of Agriculture
United States Grain Corporation
United States
Canada
Aid Geo
America
Bureau of Chemistry
Mil
Department of Agriculture
Department
Modern Sampson Star Falls Short in New York Collapse
John Petticbone, a New York City laborer, was rescued after a two story frame building toppled. Police and two fire companies helped hand dig him out while bystanders and ambulances waited. Petticbone walked away lame but unhurt, as onlookers marveled at the rescue.
MENTIONED IN THIS ARTICLE
Sampson
John Petticbone
New York City
Dpettibone
Pett
Nmbulnance
Gray Timber Wolf Killed Near Richmond Club
James Keer, a resident east of the city, killed a Gray timber wolf weighing 60 pounds or more in woods near the Richmond Country Club after the animal had preyed on local poultry for several days. He used a rifle and fired several shots to end the predation.
MENTIONED IN THIS ARTICLE
Richmond
Tad
James Keer
Richmond Country Club
Keeg
Indiana News Briefs Highlight Accidents And Legislation
Hammond chemist and Purdue graduate Becker, 23, died in a high speed crash with a truck driven by speed demon Sereiber near Hammond. Earlier, Mrs. Lillian Argo, 35, was killed crossing a street in East Chicago. Indiana lawmakers advanced a state price control bill, and various counties reported crop moisture, wheat quality, and market actions across Indianapolis, Anderson, Valparaiso, and South Bend.
MENTIONED IN THIS ARTICLE
Hammond
Arthur Becker
Amos Bird Laboratories
Chicago
Purdue
J. C. Becker
Alvin Sereiber
Sereiber
Screiber
Lillian Argo
Albert Pack
East Chicago
Stubbard Steel Foundries
Ludhimapolis
Dadintin House
Wader Suspersion
Goodrich
Tadinna,Co
Anderson
Madison County
Pendleton
Acre
Laperte
Valparaiso
Lillie Anne
Joto Tively
Cora
Nord
Deere
Willam Baker
Dares Brier
Indianapolis
Unle Rendow
Mle Starrs Bur. Ittorney General
Th Wk. Bistop
State Highway Commisssan
Evansville
Mminher
Brazil
Monnet Willis
Soniof
Josepho Willis
Tere
Shelbyville
Lauren Theysoss
Widley
Otto
Indiana
Shel Hbyville
Tidumiapolis
Indiana General Assembly
General Assembly
Dairy Points on Purebred Bulls and Losses in 1918
A dairy report from the U S Department of Agriculture analyzes the fate of purebred bull calves in 1918. It shows large losses across Jersey Guernsey Ayrshire and other breeds with millions of calves wasted or sold for beef. Experts warn that replacing scrub bulls with purebreds could raise average herd production.
MENTIONED IN THIS ARTICLE
Monte Carlo
United States Department of Agriculture
Jersey
Guernsey
Ayrshire
Thunderstorms Sour Milk Demand Cited By Farmers
The article explains that storms do not sour milk. acidity from bacterial growth, not thunder, causes souring. Authorities note sterilized milk resists souring, and proper temperature control prevents bacterial multiplication during storms.
Benefits of Silage Acids in Animal Diets
The acidity from lactic fermentation in silage has dietetic value by regulating bowels and curbing putrefactive processes in the intestines. The favorable health effects on animals are commonly noted and likely due to the silage acids.
Dairy Notes Emphasize Thorough Separator Cleaning
The dairy writing stresses washing separators after each use and describes feeding roughage to calves. It notes straw as a common ration element in European dairy countries and links neat appearance to favorable impressions during visits.
MENTIONED IN THIS ARTICLE
Europe
Also Mentioned on This Page
Buble
Dean Peer
Imitinme
Snell
Warren G. Harding
Agricultural Department
London
Laurette Taylor
Indiana State News
Vincennes
James D. McDowell
Farmers’ Federation
South Bend
St. Joseph
St. Joseph County
North Liberty
Cuicago
Shelby County
Boggstown
Evinsville-Co-operative
Southern Indiana Leghorn Association
Detroit
Geri
Taciapolis
Bidianspoelis Nilers
Inianapolis
Senate
House
Alfred Logstu
Marlow
Rrailroad Commission
Rawbottomn
Soudi Beni Gadily
Tadianapolis
House of the
Didinua General Assembly
Wabash
Tatre
Michigan Dairies Company
Aid
Michigan
Wayne Pour Hondred
Eather League of America
Kt. Wayne
Arthur Davis
Tadlunipolis
Luther Teague
Knox County
South
Cheroa
Bis Homed
Mary Cheres
Georl Dairyman
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