Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 162,258 pages of information and 244,500 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.
468. GREINER, GEO. FREDERICK, 51 Upper Marylebone Street, Portland Place — Inventor and Maker.
Semi-grand pianoforte. constructed on the principle of the speaking-trumpet, with unison tuning-screws, and repeat tongue check action. Ivory is replaced by a newly-invented material for the keys.
Grace's Guide web site design is Copyright © 2021 by Grace's Guide Ltd. The text of this web site is available under the Creative Commons Attribution-ShareAlike License; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Maintained by Sapere Software