. The street railway review . HTERLINQ TKOL.LEY, RAISED. It is pomlcd out that this base differs broadly in construction fromany other, and comprises only a few, and very strong, parts. Thebase proper, cap, fork, clamp and bar are of malleable iron, the shaft and rollers of cold rolled steel, the hooks of wrought iron,and the springs of excellent quality. Using four springs, instead of two, or one, is designed to equalizethe tension, rendering it nearly uniform at all angles, and enablesit to be graduated to the needs of the service. It is claimed thatthe ordinary tension of the springs is ful
Image details
Contributor:
Reading Room 2020 / Alamy Stock PhotoImage ID:
2CRCJ70File size:
7.2 MB (227.1 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
3030 x 825 px | 25.7 x 7 cm | 10.1 x 2.8 inches | 300dpiMore information:
This image could have imperfections as it’s either historical or reportage.
. The street railway review . HTERLINQ TKOL.LEY, RAISED. It is pomlcd out that this base differs broadly in construction fromany other, and comprises only a few, and very strong, parts. Thebase proper, cap, fork, clamp and bar are of malleable iron, the shaft and rollers of cold rolled steel, the hooks of wrought iron, and the springs of excellent quality. Using four springs, instead of two, or one, is designed to equalizethe tension, rendering it nearly uniform at all angles, and enablesit to be graduated to the needs of the service. It is claimed thatthe ordinary tension of the springs is fully equal to all but tliic. STERLING TROLLEY, LOWKRED. extraordinary requirements of high speed roads, and that higherpressure can be easily created. The bearings of this base are on steel rollers, instead of balls, and are claimed to insure perfect ease of revolution, thereby perniit-liug the trolley wheel to run on its center around corners. Thetotal height of the base with the pole down is 6^ in., making itespecially desirable for use on cars running under low bridges. ELECTRICAL APPARATUS FOR NORTHWEST. What is perhaps the largest contract for electrical generators everplaced for use west of the Rocky Mountains has been awarded byStone & Webster, of Boston, managers of electric power, traction, and lighting plants along Puget Sound, to the General Electric Com-pany. The order is for six machines, two to be furnished to theTacoma Industrial Co. for use in its development of the White Riverand four to the Pierce County Improvement Co. for the work ofdeveloping the Puyallup River, including the flow from the