A handful of nice turbine blade manufacture images I identified:
Image from page 384 of “The Street railway journal” (1884)
Image by Net Archive Book Photos
Title: The Street railway journal
Year: 1884 (1880s)
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries
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Text Appearing Before Image:
ed with babbitt.The valve plates and valves are of gunmetal throughout, thevalves themselves becoming of the Kingborn variety. The circulating water is handled by a centrifugal pump, andis developed to deal with 19,000 lbs. of steam per hour. Thepump casing is of cast-iron, with Delta metal blades. The shaftis of comparable material with strong gunmetal glands fitted withself-oiling arrangements. The motor driving this pump is ofthe semi-enclosed multipolar continuous-present type, made to operate at an typical pressure of 525 volts. The circulatingwater is taken from the turbine race by means of a cast-irongrating, and is returned to the race at a decrease point following pass-ing through the condenser. Fig. 18 shows the basic lay outof the condensing plant. The discharge from the condenser is four-in. diameter cast-ironpiping, y§ in. thick, and is taken to the river. The blow-offpiping is three ins. diameter. The blow-off trench, cable trench andhot-properly discharge trench are all covered with wrought-iron
Text Appearing Soon after Image:
FIG. 26.—LOCOMOTIVE FOR MANX RAILWAY chequered plating, 5-16 in. thick, with heavy cast-iron curb.These are five^four-in. Geipel steam traps, with three-way cocks, sothat they can be by-passed to the atmosphere when essential. ROLLING STOCKThe new single-deck open trailer vehicles, manufactured byMilnes & Business, are mounted upon double trucks, and havea seating capacity of forty-four passengers. The chief overalldimensions are: Length of automobile over finish framing, 28 ft. six ins.Width more than pillars, 6 ft.Width inside pillars, 5 ft. four ins.Width more than actions, 6 ft. 9 ins.Gage, three ft. The side and finish sills are of channel steel, 4JS ins. x 2 ins.,with intermediate cross sills of pitch pine. The diagonal brack-ing amongst end sills and bolster is of oak. The beneath-framebolster is of oak, firmly connected to the side sills, and oakblocks are provided to take the top center plates. The beneath-frame is trussed underneath by I-in. diameter truss rods. The floor is of Norway pine, with difficult-wood wearing stri
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