title: Metallic Mold for Concrete Walls
creator: Bolton, George W.
contributor: Spellman, John M.
publisher: United States. Patent Office.
date: 1921-04-12
language: English
description: Patent for metallic molds for concrete or plastic walls. These
 molds have been improved in terms of their construction. Includes
 illustrations.
subject: Inventions
subject: Concrete construction
subject: Science and Technology
subject: metallic mold
coverage: United States - Texas - Dallas County - Dallas
rights: Public Domain
type: Patent
format: 3 sheets, 3 p. : ill. ; 23 cm.
format: Text
identifier: pat-no: 1374717
identifier: govno: 02/392802
identifier: https://texashistory.unt.edu./ark:/67531/metapth1257648/
identifier: ark: ark:/67531/metapth1257648