. Electric railway journal . d spiraled and protected by guard rails. Sheffield iron cattleguards arc in place at all crossings. The overhead line is carried by chestnut poles with topsat least 22 in. in circumference. Between Waterbury andthe substation there is an 11,000-volt transmission line ofNo. 4 solid copper wire on Crown No. 2 porcelain insu-lators disposed in an equilateral triangle 40 in. on a side,the top insulator being carried by a pin on a short cross-arm. The poles here are 40 ft. long, 1ml where there is no transmission line 35-ft. poles are used. The trolley is groove
. Electric railway journal . d spiraled and protected by guard rails. Sheffield iron cattleguards arc in place at all crossings. The overhead line is carried by chestnut poles with topsat least 22 in. in circumference. Between Waterbury andthe substation there is an 11,000-volt transmission line ofNo. 4 solid copper wire on Crown No. 2 porcelain insu-lators disposed in an equilateral triangle 40 in. on a side,the top insulator being carried by a pin on a short cross-arm. The poles here are 40 ft. long, 1ml where there is no transmission line 35-ft. poles are used. The trolley is grooved wire with flexible bracket suspension and isfed every 1000 ft., the construction being the ConnecticutCompanys standard for new lines. Hydro-electric power is transmitted at 33,000 volts fromBulls Bridge, on the Housatonic River, 30 miles to Water-bury, where it is converted to direct current for local feed-ing and also is stepped down to 11,000 volts for transmis-sion to the Woodbury line substation. The latter is located. Waterbury Extensions—Non-Reinforced Concrete ArchBridge of 36-ft. Span at Abbotts Four Corners about 1 mile west of Lake Quassapaug and is of brick,with concrete floor and reinforced concrete roof, and two300-kw GE rotary converters, each with reactive coil andbank of step-down transformers so interconnected thatthey can be used in any reasonable combination in caseof trouble. EXTENSION TO THOMASTON, CONN. The 7^-2-mile Thomaston extension from Waterbury wasopened on Aug. 3, 1908, with an hourly service. This roadwas originally projected by the Thomaston Tramway Com-pany, but the lines are now operated from Waterbury bythe Connecticut Company. The Thomaston line runs upthe Naugatuck Valley, through Waterville to Thomastonand Reynolds Bridge. Thomaston has a population ofabout 3500 and the contiguous territory about 3500. Thecars and track construction standards are similar to thoseof the North Woodbury extension except that rail is used th
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