No Image
Identification and Creation
Object Number
Straus.8887
Title
X-radiograph(s) of "Wall painting fragment from the imperial villa at Boscotrecase, room 19"
Classification
Photographs
Work Type
x-radiograph, photograph
Date
August 10, 2016
Physical Descriptions
Dimensions
plate size: 35.6 × 129.5 cm (14 × 51 in.)
Acquisition and Rights
Credit Line
Harvard Art Museums/Straus Center for Conservation and Technical Studies, Alan Burroughs Collection of X-Radiographs
Object Number
Straus.8887
Contact
am_straus@harvard.edu
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Descriptions
Description
X-radiograph Operator: Kate Smith and Elizabeth LaDuc

Duration of session: 3 hours

Total number of exposures: 7

Material Description: true fresco on plaster in a wooden frame (3 3/16" thick)

Radiation source: Comet tube

Exposure settings: 100kV 5 mA 90seconds 194cm focal distance (front view)
200kV 5 mA 180seconds 194cm (side view for stratigraphy)

Filtration used: none

Screens used: 0.010 Pb screen behind detector plate

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

Image manipulation notes: dcm files exported with edge filter "display 6", composite image assembled with Photoshop and saved as tiff

Taken to learn about internal structure of the plaster support and framing.
Subjects and Contexts

Alan Burroughs Collection of X-Radiographs

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