Mediumise

Use a good retouching medium on the film; work out softly the main defects, and then varnish with a good hard negative varnish; when cool, again mediumise and retouch to a finish.

Even to think of this figure as a transitional object, vicariously mending the ruptured bonds of world-relation, is to mediumise the experience.

This leads the reader to ask what sort of influence is it to be “mediumised?"