Originally Posted by unworthy1
and since this is the "Classic and Vintage" forum, I should point out that GT was by no means the inventor of that frame style. There are examples from the UK dating back to the '40s (and probably much earlier too) that look just like those typical GTs...everything old is new again...eventually.
The Triple Triangle frame design was first recorded in 1923 by builder Fred Hellens. It is actually known as the "Hellenic" frame type.