The glass would be the same as the Bally of the same era would they??
If so I have a complete set including boards of the four seven segment dispays from a Bally, if your intersted. These are the ones with two displays in a line on each board.
Let me know if they are any use, and I will let you know what I am after for them. Cant test them as I dont have a machine to try them in, but they physiccly look fine.
Dean