a frame used to aid the blind in writing.
Origin of noctograph
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for noctograph
Historical Examples of noctograph
It was a contrivance called "the noctograph," meant for the use of the blind.William Hickling Prescott
Harry Thurston Peck