Bailey

This is a suit by the patentee, Lester W. Bailey, for alleged infringement of his patent No. 1,907,473 for an indicating device designed to show “the exact angular position of the rotor blades” of a condenser, such as is used in a radio receiving set. The device is useful in tuning in stations whose dial readings are known. The device described in the patent consists of a dial with two hands, one moving ten times as rapidly as the other, although the patent is not confined to this ratio. The in- • dicator dial corresponds to the face of a watch and the two hands to the hour hand and the minute hand of a watch. Both hands are operated by a single knob turned by hand. The hands are connected with each other by gears so arranged that as the knob is turned both hands are moved in the predetermined ratio. In the device shown in the patent the shorter hand is rigidly connected to the axis upon which the rotor blades of the condenser are mounted. The other hand is attached to a concentric sleeve on the same axis which is operated by a set of meshed gears or other means deriving power from the axis which is turned by the knob so arranged as to multiply the movement of the sleeve over that…