Entitled "Sealing Platinum Wires into an Electric Glow Lamp," photographic reproduction depicts a man at a workbench sealing platinum wires into an incandescent light bulb. Information below the image explains how platinum and glass expand and contract at the same rates when heated and cooled, respectively, providing a tight joint.
This plate is found within The Romance of Modern Chemistry, which is a layman's introduction to topics in chemistry. Includes a history of chemistry along with alchemy and the philosopher's stone; elements including organic, invisible, metals, acids, alkalies, and water; chemical changes such as fire, freezing and explosions; chemistry of the stars; food; electricity; solutions and crystals; as well as discoveries in chemistry.
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|Original file type||TIFF|
|Rights||Public Domain Mark 1.0|
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