Cover Image

Visual aids : their construction and use /

Bibliographic Details
Main Author: Weaver, Gilbert Grimes, 1889-
Other Authors: Bollinger, Elroy William, 1897-
Format: Book
Language:English
Published: New York : D. Van Nostrand Co., [1949]
Subjects:
Visual education.
Description
Physical Description:388 pages : illustrations ; 24 cm.
Bibliography:Includes "references."