Blindness; modern approaches to the unseen environment /
Zahl, Paul A. 1910-
Blindness; modern approaches to the unseen environment / Zahl, Paul A. - Princeton, Princeton Univ. Press, 1950. [Reprent 1963] - xvi, 576 p. ; ill.
Contents.--History and welfare.--Education and psychology.--Vocational considerations.--The military blinded.--Time-tested boons to the blind.--Exploration of new technological horizons.--Ophthalmological factors.
Blind.
362.4 / ZAB
HV 1593 / Z19b 1950
Blindness; modern approaches to the unseen environment / Zahl, Paul A. - Princeton, Princeton Univ. Press, 1950. [Reprent 1963] - xvi, 576 p. ; ill.
Contents.--History and welfare.--Education and psychology.--Vocational considerations.--The military blinded.--Time-tested boons to the blind.--Exploration of new technological horizons.--Ophthalmological factors.
Blind.
362.4 / ZAB
HV 1593 / Z19b 1950