Music Trade Review -- © mbsi.org, arcade-museum.com -- digitized with support from namm.org
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Spool Box, Automatic Tracking De
vice and Transmission.
Section of Action Showing Ar-
rangement of Valves, Pneu-
matics and Striking-Fingers.
Technical Outline of Automatic Tracking Device.
AMERICAN
PLAYER
ACTION CO.
2595 Third Avenue, NEW YORK