. Locomotive engineering : a practical journal of railway motive power and rolling stock . areusing compressed air very successfully forthe testing of stay-bolts in the boilers oflocomotives. The water is run out of theboiler, and then air pressure is applied.• Any person can then distinguish the .sound cient as testing under air, unless the wateris blown out and the steam pressure re-tained. This can be done very readily,but the blowing out of the water is not agood practice where feed-water impuritiesare present. A brakeman, named William L. Mans-berger, who was in the employ of the 428 Sinc
. Locomotive engineering : a practical journal of railway motive power and rolling stock . areusing compressed air very successfully forthe testing of stay-bolts in the boilers oflocomotives. The water is run out of theboiler, and then air pressure is applied.• Any person can then distinguish the .sound cient as testing under air, unless the wateris blown out and the steam pressure re-tained. This can be done very readily,but the blowing out of the water is not agood practice where feed-water impuritiesare present. A brakeman, named William L. Mans-berger, who was in the employ of the 428 Since our last issue there has commenceda boom in the iron and steel business andseveral other lines of manufacturing. Thewages of 250,000 workingmen have beenadvanced ten per cent., and it looks as ifthe hard times were on the wane. Railroadsand railroad men will feel the effects later,but look out for a good business this falland winter—it comes none too Construction—The Automatic Mechan=ical and the Staff Systems. [seventh paper.]With the automatic mechanical systemsan attempt is made by mechanical meansto automatically put the signal at the en-trance of the block at danger, when atrain passes it, and to change the signalback to safety when the train passes out ofthe block. The necessary- impulse, or ical plant, the release, or restoring of thesignal to the normal position, being ef-fected by means of electricit}. As appliedto the Alley L, the equipment is noth-ing more than a station protector, the Ar^A,_h Mf\^A^
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
