X-radiograph(s) of "Tall Amphora Jar with Two Strap Handles, Flaring Lip, and Cord-Marked Decor"

Identification and Creation

Object Number: Straus.8944
Title: X-radiograph(s) of "Tall Amphora Jar with Two Strap Handles, Flaring Lip, and Cord-Marked Decor"
Classification: Photographs
Work Type: x-radiograph, photograph
Date: May 6, 2016
Persistent Link: https://hvrd.art/o/357551

Credit Line: Harvard Art Museums/Straus Center for Conservation and Technical Studies, Alan Burroughs Collection of X-Radiographs
Object Number: Straus.8944
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: Elizabeth LaDuc

Duration of radiography session: approx. 1.5 hours

Material Description: unglazed ceramic

Sample for TL? no

Radiation source- Comet tube

Exposure settings-
110 kV 5 mA 150 seconds 254 cm focal distance (front view)

Total number of exposures: 2

Filtration used: aluminum

Screens used: 0.010 lead behind plate

Set up/sequencing notes: object upright, with plate taped to wall

Scanning notes: laser power high, 12-bit logarithmic, PMT 10

Image manipulation notes: dcm files exported with edge filter "Gamma 1", then Photomerge in Photoshop, levels and sharpness adjusted, saved as .tiff

Other notes: none