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James Metcalfe
James Croxon Metcalfe
Richard David Metcalfe
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Publication of GB190611461ApublicationCriticalpatent/GB190611461A/en
11,461. Metcalfe, J., Metcalfe, J. C., Metcalfe, R. D. May 16. Feed-water, heating.-An injector device a for heating water is inserted in the delivery pipe b of the pump or other feeding-appliance. The pipe b is also provided with a branch pipe c, forming a by-pass. A loaded valve may be fitted in the branch c to prevent excessive pressure in the main when the heater is in operation. The heater is preferably similar to the auxiliary live-steam injectors described in Specification No. 20,222, A.D. 1899, [Abridgment Class Injectors &c.].
GB190611461D1906-05-161906-05-16Improvements relating to Feed Water Heaters.
ExpiredGB190611461A
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