Steam boiler explosions, in theory and in pactice; . ingle boiler,*show how very serious this kind of defect may be. Itis not to be presumed that such carelessness, or worse,as is here exemplified, is to be attributed to the builderhimself, but rather to the fault of the workmen care-fully concealing their action from the eye of the foremanor inspector. No law or rule can protect the purchaserfrom this kind of fault; his only reliance must be uponthe reputation of the maker and his workmen, and thevigilance and skill of his inspector. Fig. 18.—Rivet driven in over-setholes, the conical point b
Steam boiler explosions, in theory and in pactice; . ingle boiler,*show how very serious this kind of defect may be. Itis not to be presumed that such carelessness, or worse,as is here exemplified, is to be attributed to the builderhimself, but rather to the fault of the workmen care-fully concealing their action from the eye of the foremanor inspector. No law or rule can protect the purchaserfrom this kind of fault; his only reliance must be uponthe reputation of the maker and his workmen, and thevigilance and skill of his inspector. Fig. 18.—Rivet driven in over-setholes, the conical point broken off by thetearing apart of the plates, the head nearlysevered from the body, and probablyweakened in driving. FlG. 19.—Rivet drivenin over-set Iroles, heads bro-ken off by the tearing apart of the plates,conical point also nearly broken off, badsample of driving, cone too flat to pro-perly hold down the plate. FlG- x9« The next figure illustrates a group of similar distortedrivets which played their part in the production of Fig. 18.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsteambo, bookyear1887
