(under subclass 105) Subject matter having means whose temperature is varied in accordance with the electricity being measured and having means, responsive to said temperature variation, for indicating the result of the measurement.
(1) Note. This subclass includes, for example, hot wire ammeters of both the expansion or bimetallic type and the thermocouple type.
SEE OR SEARCH THIS CLASS, SUBCLASS:
92, for this subject matter having fluid means, such as thermal fluid expansion meters.
104, for this subject matter for indicating demand, excess, maximum or minimum.
SEE OR SEARCH CLASS 374, Thermal Measuring and Testing,
