As suggested, these are not Serrurier truss designs...
I did my Hons B.Sc at Strathcylde Uni and was lucky enough to be allowed to do my final year paper on "The design and construction of the Issac Newton Telescope"
This involved visiting Grubb Parsons at Newcastle and talking to various staff as well as spending time in their design and manufacturing areas.
Most of their larger telescopes at the time were Serrurier truss designs and I was impressed with the extent of the calculations used in the design. I'm sure nowadays it's much easier with computers.
I also have copies of papers by Mark Serrurier discussing the truss design as well as Sir Barnes Wallis' "limp dick" alternative.
Those were the days......
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