航海 - 儀器

Overview

Works:	2 works in 2 publications in 1 languages

Titles

航海電羅經手冊 by: 哈拉(Hara, Wallier J. O.); 謝烱昌 (Language materials, printed)

簡易航海六分儀 by: 瓦特(Watt, Oswald M.); 楊傳琪 (Language materials, printed)