Advert from Colwyn Bay and District Official Guide of 1921
Advert from Colwyn Bay Street Directory of 1929
Advert from Boy’s Own Paper, May 1951 - RADAR at the WC!
Advert from Mecano Magazine, 1934
Advert from Newnes Practical Mechanics 1936
Advert from Henry Thornton School Magazine, July 1937
Advert from Henry Thornton School Magazine, March 1939
Advert from Henry Thornton School Magazine, December 1944
Advert from Henry Thornton School Magazine, July 1946
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