Piano Harmonica ca. 1870-96 J. B. Cramer & Co. The J. B. Cramer & Co. firm was known for its reed organs and harmoniums. However, this innovative instrument uses a grand piano action to strike metal tongues to produce sound, instead of the strings found inside of a piano. Walnut case held together with large screws, rectangular when viewed from above, without legs or stand, enclosing a keyboard (compass 61 keys, ivory naturals, ebony accidentals) that controls a simple English grand piano action whose felted hammers, extending forward toward the player, strike thin steel tongues; these tongues are graduated in length and width and are screwed at the back end to a metal bar that extends beneath a removable wood panel; panel, bar, and tongues can be removed as one unit, and are mounted above the piano action in a raised portion of the case, covered by a hinged lid and fronted with a cloth-backed fret-work panel; the keyboard is covered by a fallborad holding a hinged music rack, below wh