Signed this 25th day March, A. Pinckney,
Chas.
Witnesses:
Geo. Smith.
.
D. 1885.33S,?86 3
tnents upon the tubular clamp adjacent the
lateral poles the electro-magnets, substan
tially set forth.
NIKOLA TESLA.
6. electric-arc lamp,the combination,
5 with the carbon-holding rod, clamp, two
armatures upon the clamp, and electro-mag
nets the main and shunt circuits, re
spectively, the poles which act upon the
armatures the clamp for bringing the same
into action releasing it, substantially set io
forth
