1950s Wood Advertising Ruler, Southwestern Blue Print Co, Dallas, Texas

Wooden 15-inch ruler, with top and bottom metal edging, advertising Dallas’ Southwestern Blue Print Co. from the 1950s. Company is still in business, now Southwestern Blueprint.

Front Side Reads:
Architects’ and Engineers’ Supplies
(Phone) RA-8083
Southwestern Blue Print Co.
Blue Prints – Helios (Dry Prints – Photostat Prints – Superstat Prints
1801 Commerce St. Dallas, Texas

Back Side Reads:
(Phone) RA-8083
Southwestern Blue Print Co.
Architects’ & Engineers’ Supplies – Photostat Prints
1801 Commerce St., Dallas, Texas