Dangers from color blindness in railroad employees and pilots / by B. Joy Jeffries.

  • Jeffries, B. Joy, 1853-
Date:
1878
Catalogue details

Licence: Public Domain Mark

Credit: Dangers from color blindness in railroad employees and pilots / by B. Joy Jeffries. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    ■f5 ^/^ea^nut S^tee/, 'S^oa^on, .y^aaa., .^.fj^: [From the Ninth Annual Report of the State Board of Health.] DANGERS j^-^^^^ from COLOR-BLmD^TESS IN EAILEOAD EMPLOYES AND PILOTS. BY B. JOY JEFFRIES, A.M., M.D. (Harvaed), Fellow ^Lassachhsetts Medical Society; OPHTHALitio Surgeon Massachusetts Chabitable Eye aio) Ear iNriRinART, Carney Hospital, and New-Ensland Hospital for Women and Children ; Member International Periodic Congress of Ophthalmoloqt, American Ophthalmologioal Society, etc. BOSTON: Eanti, Itfaerg, $c (Hts., Printetg to tfje Cammontoealtf), 117 Fbanklin Street. 1878.