As someone did correctly guess, the game mentioned in the last entry is a 1978 Bally Power Play. There were 13,750 Power plays made, making it one of the higher production games of all time.
Robert Gordon “Bobby” Orr, OC (born March 20, 1948) is a Canadian former professional ice hockey player. Orr played in the National Hockey League (NHL) for his entire career, the first ten seasons with the Boston Bruins, joining the Chicago Black Hawks for two more. Orr is widely acknowledged to be one of the greatest hockey players of all time. A defenceman, Orr used his ice skating speed and scoring and play-making abilities to revolutionize the position. (From Wikipedia).
We are just starting to refurbish this game and bring it back to life. It is going to need some boardwork and some cleaning. It is in good cosmetic condition so it should turn out to be a super nice example of this very popular game.
Below is the playfield, plastics removed, getting ready for cleaning and waxing.