Two plug-in hot wire and thermocouple units and one base with socket

Made:
1922-1939 in New Jersey
maker:
Weston Electrical Instrument Corporation

Two plug-in hot wire and thermocouple units and one base with socket, made in the USA by Western Electric, and a moving coil milliammeter calibrated for use with the thermocouple units to measure high frequency alternating currents, made by the Weston Electrical Instrument Corp., circa 1925

Details

Category:
Electricity and Magnetism
Object Number:
1994-458
type:
hot wire and thermocouple units

Parts

Plug-in hot wire and thermocouple unit type 22C No.24596

Plug-in hot wire and thermocouple unit type 22C No.24596

Plug-in hot wire and thermocouple unit type 22C No.24596, made in USA by Western Electric, forming the sensing element for a thermoelectric milliammeter suitable for measuring high frequency alternating currents

Object Number:
1994-458 Pt1
type:
thermocouple unit
Plug-in hot wire and thermocouple unit type 22C No.48265

Plug-in hot wire and thermocouple unit type 22C No.48265

Plug-in hot wire and thermocouple unit type 22C No.48265, made in USA by Western Electric, forming the sensing element for a thermoelectric milliammeter suitable for measuring high frequency alternating currents

Object Number:
1994-458 Pt2
type:
thermocouple unit
Thermocouple socket

Thermocouple socket

1A thermocouple socket made in USA by Western Electric, part of a thermoelectric milliammeter suitable for measuring high frequency alternating currents

Object Number:
1994-458 Pt3
type:
socket
Moving coil milliameter

Moving coil milliameter

Moving coil milliammeter model 425 No.43455, made by the Weston Electrical Instrument Corp., Newark, N.J., USA, marked `use with external heating element' as the indicating element of a thermoelectric milliammeter suitable for measuring high frequency electric currents, scaled 0 - 50, non-linear

Object Number:
1994-458 Pt4
type:
ammeter - moving coil