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Home
> Cylinder
The word
cylinder
has several meanings.
For the geometric object, see
Cylinder (geometry)
.
For the engine component, see
Cylinder (engine)
.
In
firearms
the
cylinder
is the rotating device that contains the firing
chamber
s of a
revolver
.
The
phonograph cylinder
was the dominant medium of
audio storage
from the
1870s
to the
1910s
, and continued in limited use (such as in the
dictaphone
) through the mid
20th century
.
A
cylinder
is also a type of
lens
and a form of
refraction error
.
And see
gas cylinder
.
Firearm components
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