Deletion of Thummer keyboard

Comment: to Jammer keyboard. If I am reading all these articles correctly, the Thummer was an early version that never got off the ground, and inspired the Jammer which did get off the ground. Therefore the Thummer is an item in the Jammer's early history. I am also not convinced that the Thummer won "awards" as a prototype, as opposed to start-up funding and some media mentions. Having articles on both of these instruments is inefficient and redundant. Meanwhile, the Jammer article needs to be cleaned up, with the removal of |promotional language, though it can be enhanced with some more early Thummer history
Stance: merge
Cited policy: Wikipedia:What Wikipedia is not (WP:PROMOTION)