Key levelling device

[Phillip Ford]

Kerry,

I have some pictures of this action around some place, although I 
can't seem to lay my hands on them at the moment?  Was the key 
leveling screw accessible with the action installed?  That's the 
beauty of Mr Perry's device.  By the way, what are APTTA and PTTGQ?

Phil  Ford

>The Lindner piano made in Ireland (from a Rippen design) had the key
>levelling done by a screw on to the backtouch. It had a separate screw
>adjustment for the lost motion, this was very effective even if the piano
>was not much good.
>
>Kerry Cooper
>Piano Technician
>Accredited Member: APTTA, PTTGQ
>brispiano@optushome.com.au
>
>>Phillip Ford wrote:
>>
>>>I believe that I've come across the patent for the key leveling device
>>>that was mentioned a few days ago.  The device is essentially a giant
>>>drop screw through the key just in front of the balance rail pin.  The
>>>head of the screw rests on the balance rail and is turned to level the
>key.
>>>
>  >>Patent 1,592,778 to L. Perry for Ludwig & Co. on July 13, 1926.