gravesandghouls:Vassar College Trigonometry Ceremony, c. 1889 #cultural reconstruction

gravesandghouls:Vassar College Trigonometry Ceremony, c. 1889 #cultural reconstruction

gravesandghouls: Vassar College Trigonometry Ceremony, c. 1889  #cultural reconstruction -- source link


#trigonometry#trig ceremony#grace hopper 28
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