Reference Circuits V0 Special Edition 6″ PCB Ruler

Description

I liked a few of the graphics in Reference Circuits, Volume 0 enough that I felt like I should do something more with them, so I made this special edition 6″ Printed Circuit board ruler. It is made from FR-4 Printed Circuit board material with black solder mask, and all copper parts are gold plated.

On the front is graduations from 0-6 inches and 0-15mm, a resistor, and an electrolytic capacitor. On the back is the Bolt Industries company logo, transformer and LED graphics.

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