In Mr. Binnall's response to the types of Bush and Lane actions he
failed to mention the Unitype player action by Pratt-Read installed
in the very late (1928) uprights.  These actions also showed up in
some Seeburg smaller nickelodeons.  A discussion of this player action
is found here:

  https://www.mmdigest.com/archives/KWIC/U/unitype.html 

Kurt Morrison
Tacoma, Washington

 [ Here's a description by Pratt-Read:
 [ https://mtr.arcade-museum.com/MTR-1928-87-20/MTR-1928-87-20-11.pdf 
 [ -- Robbie