wavemeter type 174-C
Date: 1920-1935
Inventory Number: RS0242
Classification: Wave Meter
Subject:
Maker: General Radio Company (1915-present)
Cultural Region:
Place of Origin:
Dimensions:
18 x 23 x 15 cm (7 1/16 x 9 1/16 x 5 7/8 in.)
Description:
Rectangular black front panel with open back, no case. 4 dials 1 with triangular pointer, 2 circular windows and connectors on front panel. Larger one with galvanometer (scale 0-100, stylized pointer), smaller one with a vertical line and movable scale underneath.
White wire wrapped coil in back.
General Radio type 174C, serial number 1232.
White wire wrapped coil in back.
General Radio type 174C, serial number 1232.
In Collection(s)
Signedetched and white filled: WAVEMETER / TYPE 174-C SERIAL NO. 1232 / GENERAL RADIO CO. / CAMBRIDGE, MASS.
on face of meter: HOT WIRE / GALVANOMETER / MODEL 127 NO. 20402 / GENERAL RADIO CO. / CAMBRIDGE, MASS.
on face of meter: HOT WIRE / GALVANOMETER / MODEL 127 NO. 20402 / GENERAL RADIO CO. / CAMBRIDGE, MASS.
FunctionWavemeters can be used to check the wavelength of a strong signal source. It can also check the output of a transmitter for harmonics.
The output of this instrument is an electric current, which is read using a galvanometer, which is included.
The output of this instrument is an electric current, which is read using a galvanometer, which is included.
Curatorial RemarksThis is the same as RS0235 except that it has no box
