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