We would not use a spirally reinforced
steel shell to protect each concrete pile column from subsurface conditions unless our long experience indicated the wisdom of this method of making certain that every concrete pile preserves its length and taper.
Raymond Concrete Pile Company
NEW YORK, 140 Cedar St.
CHICAGO, 111 W. Monroe St. Branch Offices in Important Cities.
Canada:
Raymond Concrete Pile Co., Ltd., Montreal ʼʼA Form for every Pile — A Pile for every Purposeʼʼ