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PATENT OF PIANO CONSTRUCTION (1950): 8xCards

£8.80
SKU GCA6-PTT032 Barcode 5057718088955

Text on the reverse side:

The exact middle of a piano keyboard is not middle C, but is actually the space between E and F above middle C. The impressively intricate instrument has over 12,000 parts of which 10,000 are moving parts.


  • A6 size (148mm x 105mm)
  • Luxury pearlescent eco-certified paper
  • Produced in our London studio
  • Trivia fact on the reverse
  • GS1 barcode for POS
  • Biodegradable cello bag (unwrapped option available)