Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 94
Where it is necessaryto reinforce pipe forinside pressure such aspipe for irrigation systems,we furnish reinforcementas per specification onpage 21. Illustration No. 8. Showing outer shells of all Miracle molds. Expanded and contr cted, Lamar, Colo., April 17, 1908.Miracle Pressed Stone Co.,…