Locomotive boiler construction; a practical treatise for boilermakers, boiler users and inspectors .. . U Figure 170 Flexible stay The Derry Cvllard Co. screwed tightly into the boiler by means of a plug witha hexagon head. The plug is screwed into the inside and

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Keywords: ., bookcentury1900, bookdecade1910, bookidlocomotivebo, bookyear1912