Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp Value Guide

The Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp is a quintessential example of mid-century home electrotherapy, manufactured in Chicago during the 1940s and 1950s. It is highly collectible today for its striking chrome-plated aesthetic and its historical significance as a 'quack medicine' device used for treating skin and respiratory ailments.

What Is Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp Worth?

The typical price range for Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp is $135 - $150 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• The condition of the chrome plating, as pitting or rust significantly reduces the appeal for steampunk decorators.
• Functionality of the quartz bulb, as these specific ultraviolet components are difficult to replace.
• Presence of original accessories, such as the protective goggles or the original instructional manual detailing its germicidal uses.
• Overall aesthetic preservation of the rubber components and the integrity of the adjustable joints.

How to Identify Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp?

• Look for the Sun-Kraft Inc. Chicago branding etched or stamped on the chrome-plated steel base.
• Verify the presence of the original 'cold quartz' glass tube, which is the primary functional component of the UV technology.
• Check for the characteristic industrial-style aluminum reflector hood and adjustable rubber-tipped knobs.
• Confirm the era by identifying the heavy-duty mid-century wiring and the specific toggle switch configuration used in the 1940s models.

History of Sun-Kraft Cold Quartz Ultraviolet Ray Therapy Lamp

Produced by Sun-Kraft Inc. of Chicago during the mid-20th century, these devices were marketed as therapeutic tools capable of treating skin conditions and respiratory ailments through 'cold quartz' UV technology and ozone generation. They represent a significant era of 'quack medicine' and home electrotherapy, where the promise of artificial sunlight was highly valued for its purported vitamin D production and germicidal properties. Today, they are prized by collectors of medical history and steampunk-style industrial design.