X-radiograph(s) of "Thomas Hollis III (1659-1731)"

Identification and Creation

Object Number: Straus.8837
People: Artist of original: John Singleton Copley, American (Boston, MA 1738 - 1815 London, England)
Title: X-radiograph(s) of "Thomas Hollis III (1659-1731)"
Classification: Photographs
Work Type: x-radiograph, photograph
Date: June 10, 2015
Persistent Link: https://hvrd.art/o/354365

Credit Line: Harvard Art Museums/Straus Center for Conservation and Technical Studies, Alan Burroughs Collection of X-Radiographs
Object Number: Straus.8837
Contact: am_straus@harvard.edu
Permissions: The Harvard Art Museums encourage the use of images found on this website for personal, noncommercial use, including educational and scholarly purposes. To request a higher resolution file of this image, please submit an online request.

Description: X-radiograph Operators present: Kate Smith, Teri Hensick

Duration of radiography session: 4

Total number of exposures: 10

Material Description – oil on wax-lined canvas

Radiation source- Comet tube

Exposure settings-
40 kV
5 mA
60 seconds
458 cm focal distance

Filtration used: none

Screens used: none

Set up/sequencing notes:

Scanning notes: laser power high, PMT 10, 12-bit logarithmic data scale, 50 micron scan resolution

Image manipulation notes: DCM files converted to TIFF, assembled into composite in Photoshop