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John Markham
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Micro-Organisms Or Cultivation Processes Thereof
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Abstract
5787. Markham, J. March 9. Chimney tops.- A basal section A on the brickwork supports an inverted conical section C, which is pierced with apertures under hoods E and opens above within the ring fence of vertical plates H surmounted by a cover K, through the interspaces L of which the smoke escapes.
GB189805787D1898-03-091898-03-09A New or Improved Chimney Top or Cowl.
ExpiredGB189805787A
(en)