The Phosbronze untipped flex nib is an option for fountain pens sold by Osprey Pens. Phosphor Bronze is a copper alloy which has corrosion resistance, strength of copper, while phosphorus increases i⦠[+2765 chars]Source
The Phosbronze untipped flex nib is an option for fountain pens sold by Osprey Pens. Phosphor Bronze is a copper alloy which has corrosion resistance, strength of copper, while phosphorus increases i⦠[+2765 chars]Source
