Edison’s radio tube begins with de Forest breakthrough
The text traces the Edison effect to Lee de Forest who added a grid to capture speeding electrons, creating the first radio tube and enabling sound amplification. It notes copper’s long history from prehistoric spearheads to weapons, armor, and ammunition.
MENTIONED IN THIS ARTICLE
Lee de Forest
Tibet Under Theocracy Guided By Lamaism Priests
The text states Tibet is governed theocratically by Lamaism priests with the 14th Dalai Lama installed in 1939 under a regent and priestly council at the lamasery in Lhasa. It notes Buddhism influence and reliance on legend and superstition in governance.
MENTIONED IN THIS ARTICLE
Tibet
Dalai Lama
Lamasery
Lhasa
Poultrymen urged to dispose of manure and dead birds
Disease control authorities urge poultrymen to use care in disposing of manure and to burn or bury all birds that die of contagious ailments. Careless disposal of manure, litter, and dead birds is blamed for many serious outbreaks of poultry disease.
Wash white nylon separately to prevent color discharge
Guidance notes that white nylon should be washed apart from colored items. Washing separately helps maintain whiteness through many cycles. Colors in other garments may bleed slightly, risking an off white tinge on white nylon over time.
All in Chicago spotlight on city’s mega structures
The Stevens stands as the world’s largest hotel in Chicago while the Merchandise Mart tops as the largest commercial building. The American Furniture Mart leads as the nation’s premier furniture marketing center, and the region emphasizes its display and industry reach.
MENTIONED IN THIS ARTICLE
Stevens
Merchandise Mart
American Furniture Mart
Cortisone supply and sourcing noted in report
A historical note explains cortisone once called compound E is derived from ox or sheep bile. The text states the yield is so small that forty cattle are required to meet one arthritic patient’s daily cortisone needs.
Early 1834 Tor rington mill for kettle brass rolling
In early spring 1834 a small rolling mill was built at Torrington Connecticut to roll brass for kettles by the battery process hammered from metal blanks. The facility marks an early phase of regional brass manufacturing using hammering techniques.
MENTIONED IN THIS ARTICLE
Torrington
Connecticut
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