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Thomas Smith
William Smith
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Individual
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Individual
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Publication of GB189813511ApublicationCriticalpatent/GB189813511A/en
13,511. Smith, T., and Smith, W. June 17. Tyre and like heating furnaces.-The annular grate D and the central portion B of the furnace are supported by means of a plate C on a central screwed pillar F. By rotating the plate C, the grate may be raised or lowered to vary the depth of the fire. The cover L is preferably in segmental pieces as shown.
GB189813511D1898-06-171898-06-17Improvements in Heating Furnaces.
ExpiredGB189813511A
(en)