All About Engines

Forfatter: Edward Cressy

År: 1918

Forlag: Cassell and Company, LTD

Sted: London, New York, Toronto and Melbourne

Sider: 352

UDK: 621 1

With a coloured Frontispiece, and 182 halftone Illustrations and Diagrams.

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All About Engines 62 far end to the front. This type is represented to-day by the “ dry-back ” or colonial boiler shown in Fig.26. The end view is shown in half section, one side of the figure re- presenting the outside and the other a section of the boiler. The student who is not used to reading draw- ings will find it an advantage to cover one half of such a view with a sheet of paper while he is ex- a mini ng the other half. The tubes are “ ex- panded ” into the tube plates by a special tool, to make steam-