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 327
e plates to bestayed, and holding them in place by a nut and copperwasher, both inside and outside the plate. Anotherand still better plan is to rivet 6-in. channel bars across the head, inside above the tubes, the numberof bars dependingupon the height of thesegment to be stayed.The channel… … FIGURE 107. These channel bars act as girders and serve to greatlystrengthen the head or flat plate. Fig. 107 will serveto illustrate this method. THE BOILER 317 Sometimes a combination of channel bar anddiagonal crow foot braces is used, as shown by Fig. 108. A good form of diagonal crow foot stay…
