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309,512
arranged along the roadway, in combination
with means, substantially as described, for si-
nmultaneously raising and lowering the same.
2. The combination, with a folding gate of
5 the class described, of a weighted lever con-
nected at its lighter end with a treadle, and
pivoted to a support at the side of the road-
way, and of a rope passing from the gate over
an intervening pulley to the weighted end of
to said lever, substantially as shown and de-
scribed.
3. The combination, with a folding gate of
the class described, of two weighted levers,
each connected to a treadle at its lighter end,
which are pivoted in reverse positions to a 15
support at the side of the roadway, of a rope
passing from the gate over an intervening pul-
ley to the weighted end of one of the levers,
and of rods connecting the weighted end of
the first lever and the lighter end of the sec- 20
ond lever with opposite ends of a third lever,
so as to secure their simultaneous action, sub-
stantially as shown and described.
ELIAS COWAN.
Witnesses:
D. J. SALYE,
A. R. CowAN.