James D. Roots and Co
From Graces Guide
Agents for the patents of James Dennis Roots
1908 Patent applied for on an improved rotary motor, pump, blower or meter
See Also
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Grace's Guide To British Industrial History
Registered UK Charity (No. 1154342)Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,694 pages of information and 247,077 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.