The Golden Knight Tourist was manufactured for Farmers Trading Co. Ltd by Westco Products Ltd in 1949.

6-valve, 6- or 12-volt car radio.  5" permanent magnet speaker.  Positive or negative earth.

Appears to be a Westco model 39 as seen in The Golden Age of Radio, page 84 (Westco manufactured a number of Golden Knight models).

Technical Information

Valves (6):

Frequency Bands: 1

Chassis Notes(most schematics can be clicked to download a full size version)

1949 Golden Knight Tourist

General Construction Notes for Westco Products Ltd:

Often the model number will be stamped into the metalwork in the back, in front of the serial number - ie: if you find 126 3454 then its probably a model 126.  This is not always the case, but its pretty common.  Often a different number stamp will be used as well, so the model code and the serial number will be in different 'fonts'.  Here are a couple of examples: