Fort Wayne Electric Works Type K (1899 to 1908) Previous
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This model (and its suceeding models) continued the design of the watthour meter Thomas Duncan developed for the Fort Wayne Electric Corporation but in a more compact case. E.J. King was the developer of this and all suceeding K series meters sold by Fort Wayne Electric Works (By this time, Duncan had left for brief stints with Westinghouse and Siemens & Halske before starting his own company in 1901). As shown in the picture, this model has an unique profile - rectangular cast cases (aluminum or glass cover, iron base) with a large rounded hump in front. The current coils are positioned outside the rotor at the 10:00 and 2:00 positions. The potential coil on all models is positioned underneath the rotor, with a reactance coil near the bottom of the meter. The retarding magnet on these meters is vertical and straddles a portion of the rotor. The low-torque version (single magnet) version came out in 1899, the high-torque (dual magnet) version came out in 1902. This is also the only model in the K series of meters with a lag coil that could be reconnected for use on 60 or 133 Hz circuits. Fort Wayne Type K
David Turner collection