Library of
The Library of Work and Play: Electricity and Its Everyday Uses
作者:Woodhull, John F. (John Francis), 1857-1941
体例:段 章数:15
字数:309,614 来源:Project Gutenberg
版本与结构
- 来源版本
- 本站收录 1 个来源:Project Gutenberg(309,614 字)。
- 分章依据
- 按「段」标记切分为 15 段(Gutenberg 卷册标记)。
- 篇幅分布
- 平均每段 20,640 字;最长 I found that the boys had made large-sized drawings of the p(39,844 字),最短 In my first experiment on that occasion I took a one-pound s(9,343 字)。
- 原文溯源
cache/epub/45331/pg45331.txt(Project Gutenberg)
章节目录
共 15 段- I found that the boys had made large-sized drawings of the p
- The electric motor, better than any device I know, enforces
- The annunciator has a bell to call attention. A cable of six
- Induction coils, Ruhmkorff coils, and transformers, to be de
- 16. _Electric Flasher_ (Fig. 84).--For automatically flashin
- A dynamo of 220-volt pressure gives:
- Dry battery cells may be purchased for either twenty-five ce
- We have now 100 turns in the primary and 200 turns in the se
- It is not thought to be advisable to raise the voltage at th
- "Get out your pencils," said Harold, as he took down a copy
- When we send an electric current from the dynamo into this c
- On the left-hand end of the magnet was a small spool of No.
- An ordinary kitchen clock had a hole bored through the glass
- Harold was to have a birthday party, to which many of his sc
- In my first experiment on that occasion I took a one-pound s