This website contains a selection of data sheets which I've made use of and hopefully they will be of use to others.

Data Directories:

Data




Latest Project:

World War II Spy Set (Paraset Clandestine Radio / Whaddon Mk VII)

Replica Paraset (as recieved):

Top View:


View of inside:


Traced Circuit:


Using Avo two panel valve tester to test for shorted pins on 6SK7 valve:


Using Avo two panel valve tester to read off ma/V on 6SK7 valve:


Using Avo two panel valve tester to measure insulation on 6SK7 valve:


A couple of FT-171-B Crystals to be used in Paraset:


The FT-171-B Crystals have 1/8" pins, so the 4mm sockets need replacing with a more original looking 1/8" crystal sockets
As these don't appear to be available I've made one:

Insulated terminal board used to make crystal socket:


Insulated terminal board cut up to make crystal socket along with a backing plate for extra strength:


Finished xtal socket:


Installed xtal socket:


3.520MHz crystal dismantled ready to straighten the bent pins so it can be plugged into socket on paraset:


Some vintage capacitors to be used in Paraset (after testing to make sure they are OK):


Transformer to be used in making PSU for paraset:



Paraset Data Directories:

Paraset Data



If you want to add to this resource or have any queries you can contact me at the email address: trev.g7pvs at ntlworld.com