[Ads-l] "formstone"?

[Jesse Sheidlower]

A correspondent wrote to me about _formstone_, in reference to a kind of artificial stone used as an exterior siding for buildings (this is frequently associated with Baltimore). Such a product was patented in 1937 and sold under the name "Formstone", but my correspondent claims to have earlier evidence.

Does anyone know about this? There seems to have been a surname Formstone, which complicates searching. Not in dictionaries.

Jesse Sheidlower

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