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The Obelisk Waterproofing Co.; Owners of the Caffall Process; The Heat Method for Waterproofing and Preserving Buildings and Monuments; One Madison Avenue, New York; Dr. R. Constantian, president; Frederick S. Condit, vice president; telephone: ashland 1740-1; Letterhead consists of image of obelish, and text

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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

Letterheads, New York (N.Y.), Waterproofing, New York (State)

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