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Title: At the End of the Rainbow (Part I)
Source: Internet Archive (Archive.org)
English Introduction:
A 1946 sponsored educational short about ultraviolet light, covering its history, physical properties, and then-promoted health uses.
中文标题:
彩虹尽头(上)
中文简介:
一部 1946 年的科普教育短片,以紫外线为主题,介绍其历史、物理原理及当时被宣传的健康用途。
Access Notice:
This resource is indexed from an open public repository on the internet, shared for archival and educational purposes only. If there is any copyright concern or a takedown request from the rights holder, please reply or message me and I will review and handle it promptly.
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