a: blind spot ~
b: a photographic film
What:
"The blind spot is like a photographic film with a patch of its surface scratched off. The presence and extent of the blind spot in the reader's eye may be easily demonstrated by reference to Figure 712."
Useful?
Writer: Not Stated
LCC:
Where:
Date: May 22 2016 7:18 PM
# 9970 Critique Analogy