[pianotech] can anyone identify this hardware?

[Alan Forsyth]

Those things (highlighted) are the lock locators for one of these roll up pianolas!

AF
  ----- Original Message ----- 
  From: Mark Potter 
  To: Pianotech 
  Sent: Tuesday, October 18, 2011 10:27 PM
  Subject: [pianotech] can anyone identify this hardware?


  From an 1884 Vose & Sons upright.  Attaches under the keybed - one at each end (see closed position photo) .  Each pivots outward to extend beyond keybed (open position photo).  Does anyone know what purpose these serve?  I can't conjure up a decent guess...

  Mark Potter
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