In a message dated 4/14/03 10:15:46 AM Pacific Daylight Time,
thompson@... writes:

<< If there was a forty-year limit in the time prior to the 1960s, it was
widely violated. >>

Tony,

No violations. No such rule existed within the years we cover on this list.
There were of course the various bans on wood and composite underframes.
And, should anyone be interested; I could list those dates again.

Regards,

Guy Wilber
Sparks, Nevada