Colour-blindness and eyesight in the mercantile marine
Subtitle: a criticism of the new rules of the Board of Trade
By: by Thomas H. Bickerton.
Publisher: s.n.
Published: 1896
Place of publication: [S.l
Language: eng
Number of pages: 19
Subjects: Color blindness.; Vision disorders.; Eye -- Examination.; Merchant mariners.
Notes: Caption title.