On the
On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
作者：Draper, Henry, 1837-1882
体例：段 章数：7
字数：141,962 来源：Project Gutenberg
版本与结构
- 来源版本
- 本站收录 1 个来源：Project Gutenberg（141,962 字）。
- 分章依据
- 按「段」标记切分为 7 段（Gutenberg 卷册标记）。
- 篇幅分布
- 平均每段 20,280 字；最长 My first 15 inch speculum was an alloy of copper and tin, in（39,046 字），最短 During my father’s experiments on light, and more particular（2,173 字）。
- 原文溯源
cache/epub/53542/pg53542.txt（Project Gutenberg）
章节目录
共 7 段- My first 15 inch speculum was an alloy of copper and tin, in
- After these facts had been laboriously ascertained, and the
- In the use of the second test precautions have to be taken,
- It has been found that no advantage other than the decrease
- My prime mover was a weight supported by a column of sand, w
- The supply of water is derived from rain falling on the roof
- During my father’s experiments on light, and more particular