TELEPHONE No. 100

Magneto
A portable field telephone used in World War One with extending handset and generator, housed in a square wooden box. Only one bell gong was fitted.

They could be used on 2 wire or single wire circuits.

The Telephone No. 100 (Mark 234) was fitted with a Telephone, Handset, D, Mark III, but if these were not available then a Telephone No. 36 or No. 102 would be fitted.

Telephone No. 100A was used by the Anti-Aircraft Control Batteries in France.

The diagram for the Telephone No. 100A Mark 234 is dated May 1917.

The handset shown on the pictures of the refurbished telephone is a Telephone No. 102, which is connected to a Plug No. 406.

Telephone No. 110A Mark 234 Includes (1917):-
1 x Coil, Induction No. 1.
1 x Jack No. 6.
1 x Condenser No. 3.
1 x 500 ohm Generator.
1 x Bell, Magneto No. 1A.
1 x Telephone No. 102.
1 x Cord, Instrument No. 429.

Requires 2 x Cells Dry "W".

Circuit diagram - N200.

Circuit diagram - E.C. 1134 or T.L. 606.