Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,647 pages of information and 247,065 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.
238. CAMBRIDGE, WILLIAM, Temple Gate, Bristol — Inventor and Patentee.
Patent press-wheel roller, or clod-crusher, composed of wheels with thin cutting edges, revolving separately on a round spindle; used for lands affected with wire-worm or slug, leaving the land so firm that they cannot work through.
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