Rare Science 1940s Sun Kraft Cold Quartz Ultraviolet Ray Therapy Lamp Wood Case

Description

Antique 1940's approximately 90 years old.
Brand Sun-Kraft
Made in Chicago, Illinois, USA
A Cold Quartz Ultraviolet Ray Therapy Lamp
Comes in its original Case, which is wooden with a handle and latch. Has what appears to be thin leather or a plastic black covering. Bottom of case is peeling and one foot stump is missing.
Sun Kraft lamps were sold for home use and supposedly helped to cure a wide variety of undesirable skin conditions and other ailments. The ultraviolet rays from the machine's "cold quartz" mercury vapor lamp. It was claimed, were effective against psoriasis, neuritis, rheumatism, arthritis, eczema, acne and athlete's foot.
Lamp measures approximately 16. 5" Tall.
Base measures 8" dia. Shade measures 8. 25" x 3. 25".
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Below is information from the website American History Science Education Collections
Sun Kraft Sun Lamp, Model A-1
DESCRIPTION: Frank Furedy was an American inventor who, in the 1940s, with a Canadian patent in hand, began manufacturing cold quartz, mercury vapor lamps.
According to advertisements, his Sun Kraft Ultra-Violet Ray Lamps were “A Promoter and Preserver of Good Health.”
This example was seized by the FDA around 1950, charged with misbranding. Statements in the accompanying booklet "How to Use Your Sun-Kraft" were deemed false and misleading.
These statements suggested that the device was effective in treating a number of skin diseases, such as acne, psoriasis, eczema, and for treating scalp conditions, skin tuberculosis, skin ulcers and slow healing wounds.
See FDA Notice of Judgment No. 3537, Filed January 24, 1951.