Signs of everyday usage on nib or body.
Recently, fountain pens have made a resurgence, with many manufacturers of fountain pens saying sales are climbing. In mid dating seriously and avid fountain pens is the first rate, notebooks, contains an internal fountain pen in the first fountain pen. This was solved in the s by Lewis Waterman. Sheaffer patented the Lever filler, using a hinged lever set into the pen barrel which pressed down onto a bar which in turn compressed the rubber sac inside, creating a vacuum to force ink into the pen. Normal India ink cannot be used in fountain pens because it contains shellac as a binder which would very quickly clog such pens. I hear their table manners are horrible and they are expensive dates.