World’s tallest smokestack at Anaconda Copper Works
A new world record smokestack at Anaconda Montana’s reduction works. The concrete base needed 118 cars of rock 50 cars of sand and 20800 sacks of cement. The stack uses 2,404,072 large bricks weighing 9,250 tons total. Exterior diameter 86 feet at base tapering to 60 feet top. Height about 585 feet 1 1/2 inches. Mortar required 77 cars of sand 37 cars of fire clay and 41850 sacks of cement. Smokestacks of extreme size aid mining by reducing vegetation damage from fumes.
MENTIONED IN THIS ARTICLE
Anaconda Copper Mining Company
Anaconda
Montana
Worse Than Any Hurricane Deserts Dust Storms Described
Thomas E. Lawrence narrates a desert storm described in World’s Work with tong rolls of thunder, two cloud peaks, a yellow dust cloud advancing, dust devils forming, a sudden shift to cold wind, darkened sun, a brown wall of cloud rushing eastward with sand, and a grinding, enveloping blast.
MENTIONED IN THIS ARTICLE
Thomas E. Lawrence
Lerd
Jastin
Lord
Old Ways of Telling Time Paragraph Summary
A concise overview traces the evolution of time measurement from primitive sundials to ancient water clocks and hourglasses. It notes that early humans divided day and night, then sunrise noon and sunset, with shadows guiding hours. The Chinese and Romans used shadow devices, and sundials persisted into the Middle Ages for those without luxuries.
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