Upper Falls development of the Washington Water Power Company in Spokane, Wash.

This describes a late hydroelectric development in the center of a city having a single vertical shaft generator and delivering its output to the busses of an existing distribution substation 350 ft. distant, the excitation and load control of the new generator being from the substation. The principal features of the development are the auxiliary devices to assure reliable operation of a remotely controlled unit and provision for an automatic shutdown of the unit in case of major trouble; also the automatic by-passing of a large portion of the water used by the wheel if the load is greatly reduced or dumped. Other features are a 20-ft. diameter reinforced concrete penstock, a Moody spreading draft tube and a large concrete volute casing, reinforced against 110-ft. head; also 60 ft. by 15 ft. gates remotely operated, the operator having before him devices indicating gate travel and elevation of water level being controlled.