German action
German action (Ger.: deutsche Mechanik), piano action invented by Johann Andreas Stein of Augsburg in the mid-18th c., developed from the Prellmechanik. Stein transferred the fixed Prelleiste into an escapement by replacing it with a series of hinged and sprung members, one for each hammer. The “Kapsel” was retained. This action was used both for square and grand pianos. The hammers point toward the player. The name is also applied to the Prellmechanik (92). Harding, Rosamund E. M. The…