Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 173,091 pages of information and 249,766 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.
1882 Description and drawings of gas engines patented by Mr. E. Edwards, 'which under the name of the “Royal Herts Gas Engine” is now being manufactured by Messrs. Proctor and Co., of Stevenage' [1]
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