(under the class definition) Subject matter and further including a device for indicating a condition thereof or for providing a warning that an undesirable condition exists. [figure] [caption] The combination, in variable frictional power-transmitter consisting, essentially, of the engaging frictional disk with a pointer and a fixed graduated plate, whereby the speed may be predetermined.
SEE OR SEARCH CLASS
116, Signals and Indicators, for indicators and alarms in general.
