I describe an instrument which allows the eye to detect sources of ultraviolet radiation. Coincident ultraviolet and visible images of the scene are viewed through an eyepiece. The suspected source of radiation is centered in the field of view. The visible image is then extinguished by operating a shutter. Ultraviolet radiation is revealed by yellow-green fluorescence from a small target in the centre of the field.

A note about this digital version of the article first published in Studies in Conservation, volume 12, 1967, 1 - 4

The complete article in pdf shows each page as a picture. As for the content; the design may seem quaint but the principle of making a device to pinpoint an ultraviolet radiation leak into a museum gallery is still relevant, and practical devices are still not commercially available.


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