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Description
The Obelisk Waterproofing Co.: the heat method for waterproofing and preserving buildings and monuments, One Madison Avenue, New York; Owners of the Caffall process; Dr. R. Constantian, president; Frederick S. Condit, vice president; Telephone ASHland 1740-1; Letterhead contains image of an obelisk
Rights
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. Please contact Archives & Special Collections, Gordon Library, Worcester Polytechnic Institute for information regarding reproduction, distribution in any form, or other commercial uses.
Keywords
Buildings -- Maintenance, Monuments -- Conservation and restoration, Waterproofing, Letterheads, New York (N.Y.), New York (State)