Date
February 13, 1891
Richard Henry Pratt requests permission to purchase a test set of lenses due to an increase in poor eyesight among students resulting from Grippe. Pratt notes that after a trial of the lens test kit over several weeks he is now satisfied that it is successful and will ultimately save students money on glasses.
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Repository
National Archives and Records Administration
Location
RG 75, Entry 91, box 705, 1891-#6073