Ever since there were fountain pens, there were ebonite fountain pens. Ebonite or vulcanite or hard rubber remains a nostalgic, classic material, evoking pens as they were first made in the late 1800s. Below, from top to bottom: a giant Ranga (modern), John Holland hatchet filler (vintage), Waterman 55 (vintage), Danitrio raw ebonite (modern). Many …