. Scientific American Volume 89 Number 17 (October 1903) . at four points on equalizers. Eachequalizer rests on a pair of half elliptic springs, theends of which are supported on top of the journalboxes through suitable wearing plates. The journalboxes are made quite similar to standard car journalboxes, the parts, however, being made larger andstronger. The brasses can be easily removed, and bydropping down the wearing shoes it is possible to re-move a complete journal box without - removing thewheels and axles or other parts of the truck. Inorder that the locomotive may round curves easily,
. Scientific American Volume 89 Number 17 (October 1903) . at four points on equalizers. Eachequalizer rests on a pair of half elliptic springs, theends of which are supported on top of the journalboxes through suitable wearing plates. The journalboxes are made quite similar to standard car journalboxes, the parts, however, being made larger andstronger. The brasses can be easily removed, and bydropping down the wearing shoes it is possible to re-move a complete journal box without - removing thewheels and axles or other parts of the truck. Inorder that the locomotive may round curves easily, theaxles are given considerable lateral movement In the The Pennsylvania Railway Tunnels In New York. The plans for the construction of the PennsylvaniaRailway tunnels under the North and East rivershave been decided upon. The North River tunnel willcomprise two single cast-iron tubes entering the cityat the foot of West Thirty-second Street and runningunderneath that street. The shield process will beused in its construction. In order to insure. safety,. THE OLD AND NEW ELECTBIC LOCOMOTIVES OF THE BALTIMORE ft OHIO BAILBO&D. the tunnel will be provided with two concrete side-walks on a level with the car windows, the object beingto provide exit for the passengers in case of warning given by the recent Paris disaster hasnot been ignored. The plans include a lighting cur-rent separate from that which operates the cars. Nu-merous hydrants and hose nozzles will be provided incase of fire. The East River tunnel will be similar inconstruction to the North River tunnel, but will carryfour tubes. ^19 * * New Balloon Experiments of Count Zeppelin* According to the Swiss journals, a new activityreigns- at Manzell, on the eastern shore of Lake Con-stance, which has become celebrated from the airshiptrials of Count Zeppelin. It appears that the aeronaut,whose emulation is awakened by the results of the re-cent airship trials, has decided to begin a new seriesof experiments. I
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