Photographs of a microscope in a 'hot box' taken by Peter Hewitt for INGOT picture story "The Film in Industry"

A 7.4 x 7.9 inch, black and white print taken by Peter Hewitt, on behalf of Richard, Thomas & Baldwins Ltd, containing an image of a microscope contained in a thermostatically controlled 'hot box' so that the subject can be maintained at a constant temperature. The image appears in the picture story “The Film in Industry” by Norman McQueen, December 1958 issue, p. 22. The print has a yellow job sticker on the back with the following details: Job: INGOT P22, Screen: 120, Height: 4 3/4 inches, Width: 4 1/2 inches.

Also contains a duplicate print with typed text on the back which appears in the magazine next to the image