Donald H. Campbell


Roles


Masonry Magazine February 1994 Page. 45
February 1994

Were the Egyptian Pyramid Blocks Cast-in-Place?

Theory discredited by American petrographer and geologist as a result of firsthand observation.

EVER SINCE they were built more than 4,500 years ago, the ancient Egyptian Sphinx, pyramids

Masonry Magazine February 1977 Page. 16
February 1977

People & Events...

Building Materials Group of Owens Corning Fiberglas Corp., Toledo, Ohio... J. A. Carr, general manager of the Davis Manufacturing Division of JI Case Co., Racine, Wis., has been elected a vice president of Case.

Five