Article
單座真空管收音機的構造法 - Instructions on making single vacuum tube radios

Keywords: radiocommunication, radio,

Persons:
農隱 Nong Yin (Author)
陳作絮 Chen Zuoxu (Author)

Image
趙得漁君之長女（家壁）三子（賢才）肖像 - The portrait of the oldest daughter (Jiabi) and the third son (Xiancai) of Mr. Zhao

Subject matters: Portrait-1-2 figures,
Medium: Photograph-Monochrome

Keywords: portrait,

Persons:
趙家壁 Zhao Jiabi (depicted on image)
趙得漁 Zhao Deyu (mentioned in caption)
趙賢才 Zhao Xiancai (depicted on image)