What is (a) An apparatus for photographing or mapping a spectrum. (b) A photograph or picture of a spectrum. -- Spec`tro*graph"ic (#), a. --Spec`tro*graph"ic*al*ly (#), adv. --Spec*trog"ra*phy (#), n called?

spectrograph — (a) An apparatus for photographing or mapping a spectrum. (b) A photograph or picture of a spectrum. -- Spec`tro*graph"ic (#), a. --Spec`tro*graph"ic*al*ly (#), adv. --Spec*trog"ra*phy (#), n. (Webster's 1913.)

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