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| Roof Truss System |
From California Bob:
I took this pic a long time ago. All I remember is that it was a large arched roof, built apparently from 8' planks, fastened together in a clever way to form a supporting arch.
This was some big quonset hut type structure down in Watsonville area if I remember right. Maybe this is common but I'd never seen anything like it.
That roof structure is a lamella or Zollinger lamella (after the German architect who developed the system in the 1920s). Lamella roofs were pretty common in the US especially during the 1940s when larger lumber pieces were unavailable due to the war production effort. Most lamella roofs were used in factories, hangars, warehouses, theaters, bowling alleys or other buildings where large open spans were required. Sadly, most of these structures are no longer in existence.
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