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Karl August Richard Keller
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Individual
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Publication of GB190702017ApublicationCriticalpatent/GB190702017A/en
Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses
(AREA)
Abstract
2017. Keller, K. A. R. Jan. 26. No Patent granted (Sealing fee not paid). Heating water, boilers for. The fire-box 6, Figs. 3 and 5, is enclosed by the water spaces 1, 2, 4, and is fitted with a series of bent tubes 10, which form the main portion of the heating surface. These tubes connect the upper and lower parts of the water spaces 1. The grate is formed of water tubes 11, communicating with the water spaces at the sides and back and with the longitudinal tubes 10. The sides and top of the boiler are removable.
GB190702017D1907-01-261907-01-26Improvements in Water-heating Apparatus.
ExpiredGB190702017A
(en)