Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,639 pages of information and 247,064 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.
Machine designed for simultaneous charging and discharging of gas-retorts designed by Walter William Fiddes and Mr [[James George Willcox Aldridge|Aldridge], which were offered by Aldridge and Ranken.
1902-7 Several patents by Walter William Fiddes and James George Willcox Aldridge on apparatus for discharging coke and charging coal into gas retorts.
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