John B. Jacob


Roles


Masonry Magazine July 1962 Page. 10
July 1962

CONTRACTORS!

PREVENT
UNSIGHTLY
CRACKS
USE
WAL-LOK
MORTAR JOINT REINFORCING

BECAUSE:
THE EFFECTIVENESS OF REINFORCING IN MASONRY WALLS DEPENDS ON THE AMOUNT AND TENSILE STRENGTH OF THE STEEL IN THE MORTAR AND THE

Masonry Magazine March 1961 Page. 12
March 1961

Mason Contractor News
Published by The Mason Contractors Association of America, 208 S. La Salle St., Chicago 4, III.

People & Events

Mr. and Mrs. Everett D. Sperry again won the honor of traveling the greatest distance to attend t