This pocket notebook covers the period September 1871-September 1872 and records the delivery of universal printers to the Gold & Stock Telegraph Co. The identifying number of each instrument and the time of delivery is noted. The front cover is marked "Gold & Stock in a/c with Edison & Unger Sept 6th 1871 No. of Insts." Fifteen pages of this unnumbered book have been used.
A list of parts needed to manufacture the printers can be found in pocket notebook, PN-72-04-30 (Labor and Cost Accounts). Courtesy of Thomas Edison National Historical Park.