Colorado Pen - In 1884, New York insurance agent, Lewis Waterman, invented the fountain pen. It was only writing instrument to hold its own ink reservoir. Due to its durability and practicality,
![I normally use my pens at fairly low elevation. I took my Pilot Metropolitan filled with Colorverse Schrödinger to Boulder, Colorado (elev. 1650 m or 5430 ft) and every time I uncapped I normally use my pens at fairly low elevation. I took my Pilot Metropolitan filled with Colorverse Schrödinger to Boulder, Colorado (elev. 1650 m or 5430 ft) and every time I uncapped](https://preview.redd.it/i-normally-use-my-pens-at-fairly-low-elevation-i-took-my-v0-hf29moaaev0b1.jpg?width=640&crop=smart&auto=webp&s=274034870b4a34ea4f74101ad71f404803c5b498)
I normally use my pens at fairly low elevation. I took my Pilot Metropolitan filled with Colorverse Schrödinger to Boulder, Colorado (elev. 1650 m or 5430 ft) and every time I uncapped
![Bexley Equipoise Fountain Pen - Colorado Green, 14k Medium Nib (Excellent +, In Box) - Peyton Street Pens Bexley Equipoise Fountain Pen - Colorado Green, 14k Medium Nib (Excellent +, In Box) - Peyton Street Pens](https://cdn11.bigcommerce.com/s-5ko0zosub2/product_images/description/misc%20brands/bexley_equipoise_green_1.jpg)