. The Street railway journal . Switch Plain End. FIG. 15.âGREASE CHARIOT not carry very much with them and would take too long ingoing from one curve to another. It was also consideredundesirable to send them aroundon the cars, as this plan involved adanger of soiling the clothes of thepassengers. Each curve greaserhas, therefore, been supplied with alittle cart, illustrated in Figs. 14 and15, and of which there are aboutfifteen employed on the sys-tem. These wagons are largeenough to hold two pails of grease,sand, salt, a switch iron and abroom, and the men go rapidlyfrom one curve to a
. The Street railway journal . Switch Plain End. FIG. 15.âGREASE CHARIOT not carry very much with them and would take too long ingoing from one curve to another. It was also consideredundesirable to send them aroundon the cars, as this plan involved adanger of soiling the clothes of thepassengers. Each curve greaserhas, therefore, been supplied with alittle cart, illustrated in Figs. 14 and15, and of which there are aboutfifteen employed on the sys-tem. These wagons are largeenough to hold two pails of grease,sand, salt, a switch iron and abroom, and the men go rapidlyfrom one curve to another. Allcurves on the system are greased atleast once a day, and some curvesthree or four times a day. Thechariot is large enough to carry allthe material required during the dayby each man. SPIRAL CURVES Continuations of curves of radii-as numbered. External secants of 90^ spirals withtre curves-as numbered. Tangents to arcs ofshortened spirals-asnumbered. section points of tangents of90spirals with centre curves-asnumbered 1 2 ^ 1 â
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
