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© Courtesy of the C. V. Starr East Asian Library, Columbia University.
Article
工人的頭燈, Workers' headlight
伯臣 Bo Chen (Author),
Image
最新發明之頭燈專供工人在暗處之使用 [照片二幅] The headlight of the newest invention, used exclusively for workers in the dark [two photos]
© Courtesy of the C. V. Starr East Asian Library, Columbia University.
Article
工人的頭燈, Workers' headlight
伯臣 Bo Chen (Author),
Image
最新發明之頭燈專供工人在暗處之使用 [照片二幅] The headlight of the newest invention, used exclusively for workers in the dark [two photos]