Person
Pivac, Ivan.
Catalogue
- Pictures
Ivan Pivac, a blind man wearing spectacles which provide guidance with the aid of ultrasound, with Leslie Kay, the inventor of the device. Photograph, 1970.
Date: 19.5.1970Reference: 2848488i- Pictures
A blind man wearing spectacles which provide guidance with the aid of ultrasound. Photograph, 1970.
Date: 19.5.1970Reference: 680191i