Volume 33

December 2010
Bulletin of the National Museum of Nature and Science Series E (Physical Sciences & Engineering) Volume 33

Masahiro Maejima

P.1
Characteristics of Two Brush Type Arc Lamps Existed in Japan（リンクを新しいタブで開きます）(2.7 MB)

Katsuhiro Sasaki and Kazuo Okada

P.9
The Structure and Characteristics of Double Foriot Mechanism with “Fuji-Guruma” Escape-Wheel（リンクを新しいタブで開きます）(4.4 MB)

Fumitaka Wakabayashi

P.21
National Museum of Nature and Science’s Collection of Historical Materials of Joji Sakurai（リンクを新しいタブで開きます）(3.0 MB)

Toshihiro Horaguchi, Masao Nakagiri and Keiichi Saijo

P.37
Carl Bamberg Transit Telescope used for Determining the Borderline at Karahuto（リンクを新しいタブで開きます）(2.5 MB)

Keiichi Saijo, Takashi Nakajima and Hideo Hara

P.43
First Silver-plate-glass Reflecting Telescope in Japan and its Effect on Japanese Telescope Making（リンクを新しいタブで開きます）(3.1 MB)