GB190017870A - Improved Method of Attaching Top Boxes and Tubes of Fuel Economisers together, applicable also when Replacing New Tubes and Top Boxes.
- Google Patents
Improved Method of Attaching Top Boxes and Tubes of Fuel Economisers together, applicable also when Replacing New Tubes and Top Boxes.
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Alfred John Balkwill
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Individual
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Individual
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17,870. Balkwill, A. J. Oct. 8. Plates, walls, and the like, securing tubes to.- The tubes of fuel-economizers are secured in the " top boxes " by means of ferrules D of wedge-shape section, the tubes, and the hole in which they are inserted, being oppositely coned as shuwn.
GB190017870D1900-10-081900-10-08Improved Method of Attaching Top Boxes and Tubes of Fuel Economisers together, applicable also when Replacing New Tubes and Top Boxes.
ExpiredGB190017870A
(en)