The short interval timer

Title:
The short interval timer
Type:
Book
Author(s):
George R. Frost
Corporate Author:
Science Research Associates
Date:
1966
Publisher:
University of Illinois
Place of Publication:
Urbana, IL
Number of Pages:
11
Notes:
ill. ; 28 cm.; Note(s): School Science Curriculum Project.
Call Number:
519 .S366s v. 2
Subjects:
Science, Measuring instruments
Language:
English