The telegraph manual: a complete history and description of the semaphoric, electric and magnetic telegraphs of Europe, Asia, Africa, and America, ancient and modern.

SEMIAPHORE TELEGRAPH IN ElNGLAND. 47
THE ENGLISH SEMAPHORE TELEGRAPH.
Fig. 2.
The English telegraph is Fig. 8.
sists of a quadrangular f |j _ f
* =, ll _1Ii
l~fri~~~Enamelish Telegrap h Station.
The English telegraph is Fig. 3.
representecd in fig. 2. It colHi _
sists of a quadrangular
frarne, in which six octag- ____
onal plates or panels turn''
around a horizontal axis,. |These six panels are divi- I l ~'
ded into two groups, eachi
formed of three plates, placed |
vertically above each other.
A simple mechanism of pulleys and cranks enables the // \'
operator to exhibit each pan.