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Thomas Douglas
George Conroy
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Publication of GB190304839ApublicationCriticalpatent/GB190304839A/en
4839. Douglas, T., and Conroy, G. March 2. Refrigerating.-In condensing and refrigerating apparatus in which concentric tubes d form annular spaces for the gas &c. to be cooled round central tubes a containing the cooling-agent, the outer tubes are welded at the ends to the inner tubes instead of using glands and stuffing-boxes as heretofore.
GB190304839D1903-03-021903-03-02Improved Condensing and Refrigerating Apparatus
ExpiredGB190304839A
(en)
Process for using the properties of a gas derived from its liquid, such as carbon dioxide, for example, for drying electrical cables, pipes, tubes, rooms, goods, etc., and for all other uses