Date of Version
January 1942
Recommended Citation
Branham, A K., "An Automatic Traffic Speed Recorder" (1942). Purdue Road School. 16.
https://docs.lib.purdue.edu/roadschool/1942/proceedings/16
Start Date
1-19-1942 12:00 AM
COinS
Jan 19th, 12:00 AM
An Automatic Traffic Speed Recorder
