Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives (1916)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co., pub. for Sears, Roebuck & co. · leaf 49
eet and supported at theends by special castingsthat rest on the edges of theside sheets and on the flangeof the crown sheet at L-L.These crown bars are doublegirders, and a space is al-lowed between them and thetop of the crown sheet toallow the water to circulatefreely. At intervals of 4 c5 in.… … Figure 10 THE BOILER 49 sheet and the bottom of the crown bars. These thim-bles maintain the proper distance between the crownsheet and crown bars. The second method of supporting the crown sheetis by the use of radial stays, which are long stay boltsscrewed into the outer shell and into the crown…
Locomotives
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