scotograph

(redirected from Noctograph)
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sco·to·graph

(skō'tō-graf),
An appliance for aiding one to write in straight lines in the dark or for aiding the blind to write, as used by the U.S. historian W.H. Prescott.
Synonym(s): noctograph
[scoto- + G. graphō, to write]

scotograph

An obsolete term for:
(1) Radiograph; 
(2) An image made on photographic film by a radioactive substance, e.g., Roentgen;
(3) A device allowing one to draw straight lines either in the dark or if blind.
References in periodicals archive ?
Prescott would work with a series of secretaries who read to him for several hours daily and transcribed the notes he took on his noctograph.
When he had mastered the use of the noctograph he could write with what seemed amazing speed.