1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin

1935-GM-Lab-Builder-Upper-Pinball-Arcade-Machine-Mechanical-Electric-5-Cent-Coin-01-qzwz 1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin
1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin
1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin
1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin

1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin
Builder Upper was produced by G. This is the only pinball I’ve found like it. There is one on youtube showing one in operation. But other than that this is it as far as we can find.
1935 GM Lab Builder Upper Pinball Arcade Machine Mechanical Electric 5 Cent Coin