American Electro
The American Electro Magnetic Telegraph With the Reports of Congress, and a Description of All Telegraphs Known, Employing Electricity or Galvanism
作者：Vail, Alfred, 1807-1859
体例：题 章数：24
字数：377,304 来源：Project Gutenberg
版本与结构
- 来源版本
- 本站收录 1 个来源：Project Gutenberg（377,304 字）。
- 分章依据
- 按「题」标记切分为 24 题（Gutenberg 卷册标记）。
- 篇幅分布
- 平均每题 15,721 字。
- 原文溯源
cache/epub/61533/pg61533.txt（Project Gutenberg）
章节目录
共 24 题- ILLUSTRATED BY EIGHTY-ONE WOOD ENGRAVINGS.
- CONTENTS.
- REPORTS OF CONGRESS ON THE SUBJECT OF ELECTRO MAGNETIC TELEGRAPHS.
- INTRODUCTION.
- THE ELECTRO MAGNETIC TELEGRAPH.
- THE GALVANIC BATTERY.
- THE WIRE.
- THE ELECTRO MAGNET.
- ALPHABET.
- CORRESPONDENT OR KEY.
- THE LEVER KEY.
- CONDUCTING POWER AND GALVANIC ACTION OF THE EARTH.
- MODE OF SECRET CORRESPONDENCE.
- THE GALVANOMETER OR GALVANOSCOPE.
- MODE OF CROSSING BROAD RIVERS, OR OTHER BODIES OF WATER, WITHOUT WIRES.
- TELEGRAPHIC CHESS PLAYING
- REPORTS TO CONGRESS ON THE SUBJECT OF ELECTRO MAGNETIC TELEGRAPHS.
- A copy of the circular is annexed, (1)
- PROFESSOR MORSE.
- HISTORY OF TELEGRAPHS,
- PROF. S. F. B. MORSE.
- SAMUEL F. B. MORSE, ESQ.
- LONDON.—_Transmitting Station._]
- BIRMINGHAM.—_Receiving Station._]