They
sit in the middle of the legislative chamber, opposite the
presiding officer, between the conservatives or monarchists, who
sit on the right of the speaker, and the radicals or advanced
republicans who occupy the seats on his left, See
Right,
and
Left.
6. (Arch.) A temporary structure
upon which the materials of a vault or arch are supported in
position until the work becomes self-supporting.
7. (Mech.) (a) One
of the two conical steel pins, in a lathe, etc., upon which the
work is held, and about which it revolves.
(b) A conical recess, or indentation, in the
end of a shaft or other work, to receive the point of a center,
on which the work can turn, as in a lathe.
&fist; In a lathe the
live center is in the
spindle of the head stock; the
dead center is
on the tail stock.
Planer centers are stocks
carrying centers, when the object to be planed must be turned on
its axis.
Center of an army,
the body or troops
occupying the place in the line between the wings. --
Center of a curve or surface(Geom.) (a) A point such that every
line drawn through the point and terminated by the curve or
surface is bisected at the point.
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