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.
684A. MACPHERSON, DANIEL, 7 Salisbury Street, Edinburgh — Inventor and Manufacturer.
A weighing-machine, to be used in the same way as the common balance, the levers on either side of the fulcrum being of equal lengths.
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