航海 - 儀器

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

航海電羅經手冊 [NT 59711] by: 哈拉(Hara, Wallier J. O.); 謝烱昌 ([NT 1579] Language materials, printed)

簡易航海六分儀 [NT 59711] by: 瓦特(Watt, Oswald M.); 楊傳琪 ([NT 1579] Language materials, printed)