Popular Electronics April 1966

Copyright © 1966 Poptronix, Inc.; used by permission.
Ultrasonic Omni-Alarm
By Daniel Meyer
Out of Tune on Reverb
Switch from cps to Hertz
Each page is a 150 dpi jpg image.
300 dpi tiff files are available.

Popular Electronics
Issues
Michael Holley's
SWTPC Collection Home Page
This page was last edited
March 31, 2015