PATENT SPECIFICATION No. 287310

APPLICATION DATE: March 7 1927

SPECIFICATION ACCEPTED: March 22 1928

TITLE: IMPROVED ACCENTING OR EXPRESSION MEANS FOR PLAYER PIANOS.

APPLICANT: THE AUTO PNEUMATIC ACTION COMPANY of 51st Street and 12th Avenue, New York City, New York State, USA.

Size: 195mmx270mm.

No. of pages of text: 5. 

No. of pages of drawings: 3. Size of page of drawing/s: 300mmx225mm (2) & 140mmx225mm (1). 

Brief Description of Patent: The invention relates to accenting or expression means, for player pianos, of the kind wherein the hammer rail is divided in sections which are adjustable whereby the stroke of the hammers can be varied.

Condition: Slight crinkling. Wear to left hand edge where patent has been removed from the volume. 

This was sold by a Library and has their stamp impression on some of the pages/drawings. Multiple Item Postage: Patents can be combined for postage costs, the cost is the same whether you purchase one or several, so check out our Ebay Shop patent listings as well. This patent specification has been disbound from a volume of 100 different patents. This is an original HMSO published item at the time, not a modern copy as are being sold elsewhere. The drawings are often ideal for framing. It is part of a collection of several volumes from the 1893-1900,1907 & 1920/50's that I have from which individual patents will be sold over the next few years.