褶叠暗箱照像机

Bellows \Bel"lows\, n. sing. & pl. [OE. bely, below, belly,
bellows, AS. b[ae]lg, b[ae]lig, bag, bellows, belly. Bellows
is prop. a pl. and the orig. sense is bag. See {Belly}.]
An instrument, utensil, or machine, which, by alternate
expansion and contraction, or by rise and fall of the top,
draws in air through a valve and expels it through a tube for
various purposes, as blowing fires, ventilating mines, or
filling the pipes of an organ with wind.

{Bellows camera}, in photography, a form of camera, which can
be drawn out like an accordion or bellows.

{Hydrostatic bellows}. See {Hydrostatic}.

{A pair of bellows}, the ordinary household instrument for
blowing fires, consisting of two nearly heart-shaped
boards with handles, connected by leather, and having a
valve and tube.


Camera \Cam"e*ra\, n.; pl. E. {Cameras}, L. {Camerae}. [L.
vault, arch, LL., chamber. See {Chamber}.]
A chamber, or instrument having a chamber. Specifically: The
{camera obscura} when used in photography. See {Camera}, and
{Camera obscura}.

{Bellows camera}. See under {Bellows}.

{In camera} (Law), in a judge's chamber, that is, privately;
as, a judge hears testimony which is not fit for the open
court in camera.

{Panoramic camera}, or {Pantascopic camera}, a photographic
camera in which the lens and sensitized plate revolve so
as to expose adjacent parts of the plate successively to
the light, which reaches it through a narrow vertical
slit; -- used in photographing broad landscapes. --Abney.