Items

Items

• 

  [E1604AW], Letter from John Frazer, University of Pennsylvania. Towne Scientific School to William Henry Meadowcroft, May 15th, 1916

  1916-05-15
• 

  [E1604AY], Telegram from University of Pennsylvania. Towne Scientific School, John Frazer to Thomas Alva Edison, March 24th, 1916

  1916-03-24
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  [E1604BB], Letter from University of Pennsylvania. Towne Scientific School, John Frazer to William Henry Meadowcroft, May 24th, 1916

  1916-05-24