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Back view of upright pianoforte

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Back view of upright pianoforte.jpg Upright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforteUpright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforteUpright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforteUpright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforteUpright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforteUpright action showing lost-motion deviceMiniaturesArrangement of iron plate, braces and scale of parlor size grand pianoforte

Back view of upright pianoforte, Knabe patents, showing ribbing of sound-board and construction of back framing.