Article
一張金箔的把戲 - The jugglery of a piece of gold foil

Subject matters: 文章 - essay, 新知 - new knowledge,
Language level: Baihua

Keywords: general knowledge,

Persons:
淑存 Shucun (Author)

---

Article
無線電小常識 - Common knowledge of radio

Subject matters: 文章 - essay,
Language level: Baihua

Keywords: science, general knowledge,

Persons:
顧學範 Gu Xuefan (Author)

---