spectrograph

A spectroscope equipped to photograph or otherwise record spectra.

An apparatus designed to give a representation of the spectrum from any source, particularly one in which photography is employed; a spectroscope in which a sensitive photographic plate takes the placeof the eyepiece of the observing telescope.

An apparatus for photographing or mapping a spectrum.

A photograph or picture of a spectrum.

A machine for recording spectra, producing spectrograms.

a photographic record of a spectrum

a spectroscope by which spectra can be photographed