May 13, 2013 AT 1:01 pm

The Prodigious Abacus

A Blast from the Past:

pighixxx has posted a slide-rule template for Voltage, Resistance, Current, and Power calculations!

Related

“D is for Diode” – Circuit Playground Episode 4 is out now! CLICK HERE TO WATCH!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground”Adafruit’s Apps!



2 Comments

  1. This is more commonly called a “nomogram” or “nomograph” … I don’t think I’ve ever heard the French term used before.

  2. According to pighixxx, it’s from an old Italian electronics magazine. “Abacus” may be a direct translation of the Italian.

Sorry, the comment form is closed at this time.