Player Piano Pneumatic Cloth of White Skin 
By Stephen Kent Goodman
  
Based upon the examples of the WW1 German instruments, I would say
it is either zephyr skin or very thin, white alum-tanned valve
leather.  Don't use standard pouch leather as it is too porous,
even though it may seem airtight.
Stephen K Goodman - Professional Player Piano & Nickelodeon Restoration
Tarpey Village (Fresno/Clovis) California, USA
http://www.mechanicalmusicrestoration.com/ 
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 (Message sent Sat 16 Nov 2013, 18:50:54 GMT, from time zone GMT-0800.) |  
 
 
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