Intensifying x-ray screen, which consists of an outer rectangular metal frame with an inner section which is hinged at the top, has a lifting handle at the bottom and a metal bar across the middle which turns to lock the inner section into the frame; the flat painted middle piece of metal has felt …
Length: 25.2 cm. x Width: 19.8 cm. x Depth: 1.7 cm.
The screen was dirty and dusty; (2) the top surface of the screen had many shallow scratches in it from heavy use; this does not appear to be a result of its exhibit history; the metal frame is also worn from use , and there is a spot of inactive corrosion on the one short side from a fingerprint, 1.2 cm x 1.7 cm; there are smaller dark smudges from handling and use over approximately 10% of the frame; on the reverse side the exposed felt is moderately frayed; there were no signs of active corrosion; the paint on the hinges of the backing plate was worn.
Bernie Ziomkiewicz; "The Trail of the Invisible Light" by E.R.N. Grigg, MD; CD #6
The intensifying screen had x-ray film put inside and was then placed under the patient for
x-raying; the intensifying zinc sulfide in the screen allowed for shorter exposure times
Spring 1998-Sept. 17, 2002: on exhibit in KGH Hall of Honour in "The Advent of X-rays"