Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 43
ourse of side arch fire brick, 30 ENGINEERING Fig. 6, and will form a complete and self-sustainingarch, the bottom, B, resting on the back wall, and thetop, A, supported by an angle iron riveted across theboiler head about three inches above the top row oftubes. See Figs. 7 and 8. Enough of these… … FIGURE 7. a sixty-inch boiler seven clamps, and a seventy-two-inch boiler would require eight clamps; the length ofa fire b*rick being about nine inches. In case of neededrepairs to the back end of the boiler the sections canbe lifted off, thus giving free access to all parts, andwhen the repairs…
