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Old 06-25-2012, 11:55 AM   #18
krswen
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Join Date: Jul 2010
Location: Eureka, CA
Posts: 24
Default Re: Why the insert fabric roof and not steel

I read somewhere that until the mid-thirties U.S. steel rolling mills could not roll sheet wide enough to span the top. Can't lay my hands on the source now though ....

krswen
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