1000 Series Manual - 01/01/1976
This was the users manual that went out with the 1000 series Dart Board.
1100 Series Manual - 03/01/76
This was an update to the 1000 series board. It still only played one game though.
1000 Series Dartboards Support Documents
Model AD 1000 – 1976: The first game ever sold, has a large cabinet and only plays 301 (at
25 cents). The darthead is made up of individual reed switches with a flexible circuit surrounding the outside.