Fountain Pen Ink Bottle

Tesla Coil


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Free shipping on orders over $75

Handmade in Pennsylvania

Generous 100mL Volume

Tesla Coil is part of the Keystone Formula fountain pen ink line, our traditional dye-colorant fountain pen ink. The large 100mL volume will provide approximately 125 standard converter refills assuming a 0.8mL draw. 

Enjoy Tesla Coil as a standalone fountain pen ink, or blend it with other Birmingham Pen Co. fountain pen inks to craft your personalized shade.

Tesla Coil will produce a sheening effect on high-quality fountain pen papers like Tomoe River and Rhodia. The writing sample in this listing was produced on 68 gsm Tomoe River paper.


Enjoy free shipping on U.S. orders $75 or greater. Smaller orders ship for $9-12 by USPS, FedEx, or UPS.

We are not shipping internationally at this time.

Tesla Coil
Tesla Coil
Fountain pen ink on sale


Ink ingredients are meticulously combined and refined over roughly two dozen steps with a minimum of three thorough mixing steps per color to ensure quality & consistency within every batch.


With only two full-time employees, every product is thoughtfully prepared at our Pennsylvania workshop just north of Pittsburgh.