The Newly -Discovered Force 
181 
1876.] 
Tw 1. 
Force obtained from telegraph sounder converted into a self-vibrator. 
c, Lever. a, Screw with platinum point, insulated by ring of ivory or rubbers D, Dark 
box, containing pencil points, e and b, Wires completing the connection. 
Force obtained from a small magnet, the interruption being made by a key. 
m, Small double magnet. k, Key. D, Dark box. a, Gas-pipe or other §arth-COnn eCtion, 
or any large body of metal. 
Drawing off the spark after a number of connections with the floor have been made. 
to 
V 
a 
Fig 4 
CL 
Force passing through the air. 
b. Wire conduCting-force. a, a, a , a, Large pieces of tin-foil suspended on stands, 
d, Dark box. e, Earth-conneCtion. 
