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Cleveland Institute N-515-T Slide Rule and User's Manuals

Thanks to Mr. Joe Hernandez (KN2A), the entire set of four manuals for the Cleveland Institute of Electronics' 515-T Slide Rule are now available online! Joe bought the manuals and slide rule on eBay as a set, and he was kind enough to scan the manuals and send them to me for posting on RF Cafe. Since posting a photo of my personal N-515-T slide rules and the partial user's manual I found a few years ago, I have received many requests for the manuals.

Cleveland Institute 515-T Slide Rule, made by Pickett (front)

Cleveland Institute 515-T Slide Rule, made by Pickett (case)

Cleveland Institute 515-T Slide Rule, made by Pickett (rear)

Cleveland Institute of Electronics N-515-T Slide Rule (made by Pickett)

Note: Joe is a very active Ham radio operator and invites you to visit his page on the qrz.com/db/KN2A website. He is a big time CW guy who likes to tinker. One item you really need to check out is his custom-built Mouser-40 and 3 Blind Mice CW setup.

Joe Hernandez's (KN2A) Mouser-40 and 3 Blind Mice CW setup - RF Cafe

Joe Hernandez's (KN2A) Mouser-40 and 3 Blind Mice CW setup.

Cleveland Institute 515-T Slide Rule User Manual, Part I - RF Cafe

Part I

JPG | PDF

Cleveland Institute 515-T Slide Rule User Manual, Part II - RF Cafe

Part II

JPG | PDF

Cleveland Institute 515-T Slide Rule User Manual, Part III - RF Cafe

Part III

JPG | PDF

Cleveland Institute 515-T Slide Rule User Manual, Part IV - RF Cafe

Part IV

JPG | PDF

Of Beer Bottles and Slide Rules

Pickett N515-T and Beer Bottles by M0XPD - RF CafeRF Cafe visitor M0XPD sent me a link to his brief article that aptly illustrates how a Pickett N-515-T slide rule and a beer bottle can be used to help a student understand resonance in LC tank circuits. It has to do with the oft-used mechanical phenomenon dual of an electrical apparatus - like a wire is a water hose, voltage is the pressure, etc.

M0XPD Mug Shot - RF Cafem0xpd Manchester, United Kingdom Engineer, who grew up in the age when hobbyists used a soldering iron (rather than a mouse) to mess with computers. Came late in life to amateur radio, where he operates the station m0xpd, conducts pointless experiments, and plays with words and ideas.

 

 

Posted November 3, 2015

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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024

Webmaster:

    Kirt Blattenberger,

    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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