Items

Items

• 

  [D1019AAJ], Letter from New York Electrical Society, George H Guy to Ralph Hamilton Beach, June 14th, 1910

  1910-06-14
• 

  [D9704AAG], Letter from George H Guy to Francis Robbins Upton, November 23rd, 1897

  1897-11-23
• 

  [E1362AE], Letter from George H Guy to William Henry Meadowcroft, November 17th, 1913

  1913-11-17
• 

  [SB516005B], Letter from New York Electrical Society, George H Guy to Thomas Alva Edison, November 1919

  1919-11-00
• 

  [VC98074A], Letter from New York Electrical Society, George H Guy to Walter Seeley Mallory, April 16th, 1898

  1898-04-16