Accredited Museum

Please Note: Not all of the objects on this website are on display at the museum.

GPO 970 DIFFERENTIAL GALVANOMETER, 1930's

Used to detect current in either direction in telegraph circuits on receiving or sending stations.
Also used as a piece of test equipment.

A0239

POST OFFICE GALVANOMETER GPO 41, 1930's

Used for indication of signal direction ( Current ) in telegraphy systems also as a test instrument.

A0241

EDISWAN GALVANOMETER, 1930's

Used to detect current in either direction in telegraphy systems.
Also as test equipment.

A0240

SILVERTOWN GALVANOMETER, 1916

Used as either a piece of test equipment or to send or receive Morse.
The needle could deflect either left or right dependent on the direction of the current,or could measure the strength of the current by the deflection measured in degrees.

A0328