Details
A Dr. Nord's Skotograph
or Apparatus to Assist Blind or Short-sighted Persons in writing, the hinged mahogany frame with lacquered brass slides and paper-clamp, numbered 38, with copper wire guide operated by chain and sprockets from a hand-crank (missing) -- 14in. (37cm.) deep), with instructions (in Dutch), colour printed illustration of the machine, and a photocopy of the British Patent Specification, Patent No. 25,159, 1894
or Apparatus to Assist Blind or Short-sighted Persons in writing, the hinged mahogany frame with lacquered brass slides and paper-clamp, numbered 38, with copper wire guide operated by chain and sprockets from a hand-crank (missing) -- 14in. (37cm.) deep), with instructions (in Dutch), colour printed illustration of the machine, and a photocopy of the British Patent Specification, Patent No. 25,159, 1894