. The street railway review . re the pattern shopand storage racks, where are kept all patterns for iron andbrass work, including molds for Falk joints which are be-ing used in much of the new track construction. North ofthis is the tin department, where all the tin appliances usedabout the cars, stations and barns, are made. Bent dashesare run through a set of rolls, and, in this way, all thekinks are removed. Copper, silver and nickel plating is alsodone, the current for the baths comes from a small lowvoltage dynamo driven from the shafting. There is a largevat of concentrated lye for clean
. The street railway review . re the pattern shopand storage racks, where are kept all patterns for iron andbrass work, including molds for Falk joints which are be-ing used in much of the new track construction. North ofthis is the tin department, where all the tin appliances usedabout the cars, stations and barns, are made. Bent dashesare run through a set of rolls, and, in this way, all thekinks are removed. Copper, silver and nickel plating is alsodone, the current for the baths comes from a small lowvoltage dynamo driven from the shafting. There is a largevat of concentrated lye for cleaning the metal work beforeplating. The pieces are suspended in the bath for a lengthof time depending on the kind and thickness of the plat-ing. If there is to be a brass oxidized finish the piece isdipped in a solution of chloride of iron, hydrochloric acidand arsenic; if for a copper finish, a solution of sulphuretof potassium is used, and the pieces are then polished inspots. A metal-lined tank of sawdust is heated by steam. FIG. 13— STOCK to dry and clean the work. The lacquering work is alsodone here, put in the oven, and subjected to a temperatureof 200° F. for one hour. Once a year the bright work onthe Columbia stoves is renickeled and lacquered, the stovesbeing replaced in the cars early in November. All the harness, hand straps for cars, and other Icathc;-pieces are made on the third floor. The brooms for tlicsweepers are made from bundles of small cane wrapped 24 ^tM%l\\^Sfe\lG\/ ••^.^ bunches with hnen thread and cemented with rosin andpine tar. The average hfe of a sweeper i)rooiTi is aboutsix weeks. The upholstering department is provided withthree sewing machines, belt-driven, and other appliancesfor making curtains, cushions, etc. The armature coils are all made in the shop, specialforms being made to fit the different wnulings. For turn-ing the connnutators and for band winding a 24-in. latheis used. The motor armatures are also tested when t
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
