'The natural history of ice', Harpers
Tags: 1910s; 1917; 1917-3-1; Arctic regions; Earth Sciences; Engeln, O. D. von (Oscar Diedrich); Geology; Glaciers; Ice mechanics; Melting points; North America; Sea ice
'If gasoline continues to rise', Harpers
Tags: 1910s; 1917; 1917-3-1; Automobile travel; Caricatures and cartoons; Engineering; Gasoline; Johnson, P. D.; Mechanical Engineering; Orientation; Prices; United States
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