Items

Items

• 

  [NP016L], Technical Note, Thomas Alva Edison, March 27th, 1883

  1883-03-27
• 

  [X120ABB], Letter from Richard Rogers Bowker to Jonathan Scott Hartley, December 28th, 1898

  1898-12-28
• 

  [X120ABC], Letter from Jonathan Scott Hartley to Richard Rogers Bowker, January 16th, 1899

  1899-01-16
• 

  [X120ABD], Letter from Jonathan Scott Hartley to Richard Rogers Bowker, January 18th, 1899

  1899-01-18
• 

  [X120ABE], Letter from Jonathan Scott Hartley to Richard Rogers Bowker, January 18th, 1899

  1899-01-18
• 

  [X120ABF], Letter from Jonathan Scott Hartley to Richard Rogers Bowker, January 24th, 1899

  1899-01-24