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Water soak cleaning of limestone : the Widener Building, Philadelphia, Pennsylvania / Robert M. Powers.
- Format:
- Book
- Government document
- Author/Creator:
- Powers, Robert M., 1955- author.
- Series:
- Preservation tech notes ; PTN-37.
- Preservation tech notes. Masonry ; no. 3.
- Preservation tech notes, 0741-9023 ; PTN-37. Masonry ; no. 3
- Language:
- English
- Subjects (All):
- Cornices--Maintenance and repair.
- Cornices.
- Concrete masonry.
- Historic buildings--Conservation and restoration--Pennsylvania--Philadelphia.
- Historic buildings.
- Historic buildings--Conservation and restoration.
- Pennsylvania--Philadelphia.
- Genre:
- Prospectuses
- Prospectuses.
- Physical Description:
- 1 online resource (6 pages) : illustrations.
- Place of Publication:
- [Washington, D.C.] : U.S. Department of the Interior, National Park Service, Cultural Resources, Preservation Assistance Division, 1992.
- Notes:
- Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
- "August 1992"--Page 6.
- Description based on online resource; title from PDF caption (NPS, viewed Nov. 15, 2021).
- Other Format:
- Print version: Powers, Robert M., 1955- Water soak cleaning of limestone.
- OCLC:
- 681322949
- Access Restriction:
- Use copy Restrictions unspecified
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