75f32590-665e-4c34-b70a-37a267107ebd

Conservator carries out cleaning trials.

The marble balustrade rail has become heavily soiled with lipids from the hands of visitors touching the surface. A conservator tests methods for gently cleaning the surface with soapy solutions and a soft brush.

The marble balustrade rail has become heavily soiled with lipids from the hands of visitors touching the surface. A conservator tests methods for gently cleaning the surface.

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Image

Northeast Regional Office, Code: NERO

NPS.gov Collection

06/16/2005

06/16/2005

Public Can View

Thursday, February 8, 2018 7:19:35 AM

Thursday, February 8, 2018 7:19:35 AM

DSC07276.JPG

SONY SONY, CYBERSHOT

10/800 sec at f / 2.2

15.5 mm

ISO 100

Thursday, June 16, 2005 9:31:38 PM

jpg

569.8 kB