Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,689 pages of information and 247,075 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
499. WORNUM, ROBERT, Store Street — Inventor and Manufacturer.
Improved piccolo pianoforte.
Semi-bichord grand pianoforte, upon the patent over struck principle.
[In the ordinary pianoforte action, the springs are struck from below, in this instrument the hammers strike down, hence the term overstruck.—H. E. D.]
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