Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 183 Crown bars and bolts. Berry Collard Co. Figure 184 184. In case the head of the bolt is on the fire box side,it is grooved out at G so as to make a better joint betweenthe head and the copper washer W. C is a clip, which 211 Crown bars. serves to keep the pair of bars in place. In large manu-facturing concerns these clips are made to standard sizeand are forged under the drop hammer. In Fig. 185 isseen another style of crown bar. T is a T iron bent toconform to the curvature of th
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 183 Crown bars and bolts. Berry Collard Co. Figure 184 184. In case the head of the bolt is on the fire box side,it is grooved out at G so as to make a better joint betweenthe head and the copper washer W. C is a clip, which 211 Crown bars. serves to keep the pair of bars in place. In large manu-facturing concerns these clips are made to standard sizeand are forged under the drop hammer. In Fig. 185 isseen another style of crown bar. T is a T iron bent toconform to the curvature of the crown sheet. The staybolts are all placed at right angles to the sheet. The 2]/2. Figure 185-Another type of crown bar. Collard Co. inch distance between the crown sheet and the T iron isobtained by the use of ferrules F, which are made of -fe Jt$1#: I 34THICK i \X Figure 186Crown bar link.
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
