Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 329A radial drill hung on post. sented by Fig. 329. This is bolted against the post at body of the drill B can be shifted back and forth, andwith a handle H the drill or reamer is forced into thework. Hundreds of these drills can be found in theboiler shops throughout the country. Although it is notan accurate drill, it is quickly and easily applied and for 337 A multiple spindle 338 Drill press clamps. this class of work extreme accuracy is not so the rive
Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . Figure 329A radial drill hung on post. sented by Fig. 329. This is bolted against the post at body of the drill B can be shifted back and forth, andwith a handle H the drill or reamer is forced into thework. Hundreds of these drills can be found in theboiler shops throughout the country. Although it is notan accurate drill, it is quickly and easily applied and for 337 A multiple spindle 338 Drill press clamps. this class of work extreme accuracy is not so the rivet holes in the water space frame, drillssimilar to Fig. 330 are almost universally employed. Thedrills D can be shifted to any position within the limit ofthe machine. They are set four or five spaces apart and all I I No. 1 £
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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912
