afx114 wrote:Got any info on – Piggington's Econo-Almanac

January 20, 2011 at 5:29 PM #656666

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[quote=afx114]Got any info on the 20s/30s/40s/50s?[/quote]
This would require a bit of research. The biggest problem is that for the pre 50s, there are very few building standards. In those cases, have a civil engineer look at it.