Johnson Rahbek electrostatic telephone

Johnson Rahbek electrostatic telephone with motor and controlling potentiometer

Details

Category:
Telecommunications
Object Number:
1926-286
type:
telephone
credit:
Swinton, Alan Archibald Campbell

Parts

Telephone from, Johnson Rahbek electrostatic telephone with motor and controlling potentiometer

Johnson Rahbek Electrostatic Telephone

Telephone from, Johnson Rahbek electrostatic telephone with motor and controlling potentiometer

Object Number:
1926-286/1
type:
telephone
Controlling Potentiometer

Controlling Potentiometer

Potentiometer from, Johnson Rahbek electrostatic telephone with motor and controlling potentiometer

Object Number:
1926-286/2
type:
potentiometer
Johnson Rahbek electrostatic telephone microphone

Johnson Rahbek electrostatic telephone microphone

Microphone from Johnson Rahbek electrostatic telephone with motor and controlling potentiometer.

Object Number:
1926-286/4
type:
telephone component
Image ©
The Board of Trustees of the Science Museum