X-radiograph(s) of "Fragments of a Mummy Portrait of a Man"

Identification and Creation

Credit Line: Harvard Art Museums/Straus Center for Conservation and Technical Studies, Alan Burroughs Collection of X-Radiographs
Object Number: Straus.8863
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, Georgina Rayner, Kathy Eremin

Duration of radiography session: 2 hours

Total number of exposures: 3

Material Description – beeswax paint on wood

Radiation source- Comet tube

Exposure settings-
30 kV
5 mA
60 seconds
36 inches focal distance

Filtration used: none

Screens used: none

Set up/sequencing notes:

Scanning notes: laser power high, PMT 10, 16-bit linear data scale, 50 micron scan resolution

Image manipulation notes: DCM files converted to TIFF, levels adjusted and cropped in Photoshop

Georgina Rayner, Katherine Eremin, Kate Smith, Caroline Cartwright, Patrick Degryse, and Susanne Ebbinghaus, Forensic examination of a fragmentary funerary portrait in the collection of the Harvard art museums, Forensic Science International: Synergy, Forensic Science International: Synergy (https://doi.org/10.1016/j.fsisyn.2023.100442, 2023), 7, Figure 1, Page 2; Figure 2, Page 3; Figure 3, Page 5; Figure 4, Page 5; Figure 5, Page 6; Figure 6, Page 6; Figure 7, Page 7; Figure 8, Page 9; Figure 9, Page 10; Figure 10, Page 10; Figure 11, Page 11; Figure 13, Page 14