The effect of selected cleaning techniques on Berkshire Lee marble
Subtitle: a scientific study at Philadelphia City Hall
By: by V.G. Mossotti ... [et al.].
Series: Professional paper -- 1635; U.S. Geological Survey professional paper -- 1635
Publisher: U.S. Geological Survey
Published: 2002
Place of publication: Menlo Park, Calif.
Language: eng
Format: [electronic resource] :
Subjects: Building stones; Cleaning; Marble
Description: A scientific investigation of the effects of eight different cleaning techniques on the Berkshire Lee marble component of the facade of the East Center Pavilion at Philadelphia City Hall. The eight cleaning techniques evaluated were power wash, misting, gommage, combination, Armax, JOS, laser, and dry ice.
Notes: Title from disc label.

Geologists, monument curators.

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System requirements for Windows: Pentium processor; 64MB RAM; Windows 95 OSR 2.0, Windows 98 SE, Windows Millennium, Windows NT 4.0 with Service Pack 5, Windows 2000, Windots XP; Adobe Acrobat Reader 5.0 or higher (included on disc); CD-ROM drive.

System requirements of Unix: Almost any UNIX or Linus workstation; Adobe Acrobat Reader 5.0 or higher; CD-ROM drive.