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Patent Selenitic Cement Company.
Hollow Blocks for Fire Proof Construction... : [informational brochure]. -- [Boston : s.n., 1881.]
[40 Bs 2 Sd. & 2 cm,
James E. Howard, engineer in charge of Testing Machine.
1. Building materials. 2s Advertising flyers. I. Howard, James E., engineer. It. Titise.
@ ocm30866842 00s