HeathRules™ CPO Active Ruler™: Surface-mount solder skills learning kit - ER-1001 (Code Practice Oscillator)

Heathkit® in all uses, the Heathkit name, the Heathkit logos and slogans including "We won't let you fail." TM and "Prepare to succeed." TM, and "Heathkit® Educational Systems" are internationally registered trademarks of Heath Company.
Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021 Heath Company and Heathkit®. All rights reserved.