. The street railway review . A l f). Drain Opening- FIGS. I AND 2. are operated to the right the switch should be placed on the lefthand side, so that in trailing through the tongue it does not have tocarry the weight of the car while the tongue is forced against thespring. Figs. No. I and 2 show an improved form of a single actingspring box which is designed for locations where the drainage ispoor. It is of the push type of construction, but, having its springenclosed in an oil chamber, its action can not be impaired by thepresence of ice and mud. This oil chamber with its stuffing boxesmay
. The street railway review . A l f). Drain Opening- FIGS. I AND 2. are operated to the right the switch should be placed on the lefthand side, so that in trailing through the tongue it does not have tocarry the weight of the car while the tongue is forced against thespring. Figs. No. I and 2 show an improved form of a single actingspring box which is designed for locations where the drainage ispoor. It is of the push type of construction, but, having its springenclosed in an oil chamber, its action can not be impaired by thepresence of ice and mud. This oil chamber with its stuffing boxesmay be made very simple in construction. The one illustratedconsists of a piece of gas pipe each end of which screws into amalleable or brass sleeve, and each sleeve contains two washersbetween which the asbestos packing is confined. Fig. I shows howthe oil chamber is held in the iron casing and how readily it may beremoved whenever it becomes necessary to refill it with oil. Thesleeve farthest from the tongue rests in the pocket of the
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
