1906 Sweet’s: Manville versus Keasbey, Which One Guarantees Perfection?

I found a copy of Sweet’s 1906 Indexed Catalogue of Building Construction on EBay. This is 760 page compilation of catalogs for building construction was created by architects to overcome the challenges of staying current with the capability of particular products. As such, if you want to database the likely use of asbestos in construction…
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