(under subclass 335.06) Subject matter wherein significance is attributed to either means for providing at an immediate glance a single observation of the difference in the temperature of the wet responsive element and the dry responsive element or to means manipulated in such a manner as to provide at an immediate glance a single observation of the difference in the temperature of the wet responsive element and the temperature of the dry responsive element.
SEE OR SEARCH CLASS
235, Registers, appropriate subclass for a register, per se, for detecting the relative humidity from a psychrometer reading or for a register combined with conventional nominally recited elements of hygrometer.
364, Electrical Computers and Data Processing Systems,
509, and 550+ for an electrical computer or a data processing system, per se, for a hygrometer or in combination with a conventional hygrometric element recited in name only.
377, Electrical Pulse Counter, Pulse Dividers, or Shift Registers: Circuits and Systems,
9+, for a pulse counter, per se, for a hygrometer or the combination of a conventional hygrometric element recited in name only.
