Telephone Exchange in London. 1883

For Sale is a Double Page of Engravings from "The Graphic," September 1st 1883, showing the following 6 Engravings for "The Telephone Exchange in London."
      a- Switch Room of a Central Office Worked by Slipper Board System.
      b- Switch Room of a Central Office Worked by Peg Board System.
      d and e- Talking between London and Brighton.
      f- Head Central Office of the United Telephone Company, Coleman Street.
      g- Reporting by Telephone from the House of Commons to the "Times" Office.

Condition of Print is Very Good, with some Light Foxing in the Middle Crease at the Bottom, Mainly in the Bottom Margin, but just touching the Engraving.