|
Click on any image to enlarge
Resistor, Barretter No. 1
Twin filament Barretter.
Used in "Stone" transmission bridge circuits for subscribers lines.Includes:-
1 x Part No.
2/SPL/195 (Plate, Insulating)
1 x Screw No. 4BA, Csk. Hd., M.S.,
Zn. P.,
To be requisitioned separately when required for use with
Mounting, Capacitor No. 13:-
1 x Part No. 1/SBR/6.
Diagram - EC1659.
Specification - T1357.
|
 |
Resistor, Barretter No. 2A and 2B
For use in
generator field of 4-frequency dynamotor of V.F. keysender circuits.
Includes:-
1 x Part No. 2/SPL/195 (Plate, Insulating)
1 x Screw
No. 4BA, Csk. Hd., M.S., Zn. P.,
To be requisitioned separately.
when required for use with Mounting, Capacitor No. 13:-
1 x Part No.
1/SBR/6.
No. 2A
Use with 24v machines. Working current, 2
amp. Range 3-13V.
No. 2B
Use with 40v machines. Working
current, 1.1 amp. Range 5-26V.
Originally called the Resistor, Bulb
No. 8.
|
 |
|
Resistor, Barretter No. 3A Used on the Frequency-changer
No. 6B.
Stabilises current in series connected valve heaters. 4-pin base.
Rating: 0.2 amp at 90/230v.
Valveholder used: Nos. 11, 14, 16, 20, 23.
|
|
|
Resistor, Barretter No. 4A For use in generator field
of 4-frequency dynamotor of V.F. keysender. ccts
Centre tapped filament 4-pin base for use in B5 Valveholder.
Use filaments in parallel for 22v machines.
Use filaments
in series for 40v machines.
Working current, 1.15 amp.
|
|
|