Items

• [D7702ZBG], Letter from Rosengarten and Sons to Thomas Alva Edison, August 8th, 1877
  1877-08-08
• [D7826ZDI], Letter from Rosengarten and Sons to Thomas Alva Edison, October 31st, 1878
  1878-10-31
• [D7826ZED], Letter from Rosengarten and Sons to Thomas Alva Edison, November 9th, 1878
  1878-11-09