'Solar chemistry', Harpers
Tags: 1920s; 1921; 1921-3-1; Cosmology; Freckles; Humor; Lecture audiences; Physics; Sunspots; United States; Young women
'The strike breaker', Harpers
Tags: 1920s; 1921; 1921-3-1; Engineering; Hutchinson, A. S. M. (Arthur Stuart-Menteth); manufacturing; Production
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