Cleveland Electronics Institute Electronics Slide Rule Advertisement
August 1967 Electronics World
wasn't until February 1 1972, that Hewlett-Packard introduced the
electronic calculator. Before that, when you spoke of an electronics calculator it referred
to a computer (likely a vacuum tube type), a human who specialized in electronics calculations,
or this special slide rule sold by Cleveland Electronics Institute - the 515-T. It had special
scales for calculating reactance, and resonance, and had common circuit analysis formulas printed
on the back side.
[Table of Contents]
People old and young
enjoy waxing nostalgic about and learning some of the history of early electronics. Electronics World was published
from May 1959 through December 1971.
As time permits, I will be glad to scan articles for you. All copyrights (if any) are hereby
Here is an RF Cafe web page dedicated to
engineering slide rules and my small collection
that includes a 515T. I will gladly accept a donation and credit you accordingly.
all the available
Electronics World articles.
Start Using This Remarkable Electronics Slide Rule
the man who's always first to say: "I've got the answer right here!"
Some day everyone
in electronics may have a slide rule like this. Till then, the man who uses one will seem like
a wizard as he solves reactance and resonance problems in 12 to 20 seconds - without pencil
This is a professional slide rule in every detail, a full 10" long, made
exclusively for Cleveland Institute of Electronics, to our rigid specifications, by Pickett,
Inc. It can be used for conventional computation as well as special electronics calculations.
All-metal construction assures smooth operation regardless of climate.
leather carrying case has heavy-duty plastic liner to protect slide rule; removable belt loop
for convenient carrying. "Quick-flip" cover makes it easy to get rule in and out of case.
You also get four full-length AUTO-PROGRAMMED™ Lessons, which teach you how to
use the special electronics scales on the slide rule. These lessons have been carefully designed
to meet the same high educational standards as the electronics career courses for which our
school is famous. Even if you've never used a slide rule before, you'll soon whiz through the
toughest problems with this CIE rule.
underpriced. Many men in electronics have told us that this unique slide rule, leather case,
and 4-lesson course easily add up to a $50 value. But we have deliberately underpriced it at
less than $25. Why? Our reason is simple: we are looking for men in electronics who are ambitious
to improve their skills ... who know that this will require more training. If we can attract
you with the low price of our slide rule and course-and impress you with its quality - you are
more likely to consider CIE when you decide you could use more electronics training.
Send for free booklet. See for yourself why this amazing slide rule and course have
made such a big hit with busy electronics men everywhere. No obligation, of course - just an
opportunity to get in on the best offer ever made to people in electronics. Just mail coupon,
or write Cleveland Institute of Electronics, Dept. EW-142, 1776 East 17th St., Cleveland, Ohio
Cleveland Electronics Institute's "Electronics Slide Rule"
Here is the original scan
Posted May 6, 2013