H. F. Schroeder

Roles

Masonry Magazine February 1968 Page. 8
February 1968

Convention Report

(Continued from page 6) Committee Chairman Harold W. Peterson. During the first part of the program Esso Research, James Electronics and Intercon Research made their presentations. H. F. Schroeder, Esso Research and Engineering

Carl Specklemier Edward Kennedy H. Schroeder Harold Peterson
Adhesives Aggregates Binder Block
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