You were expecting, maybe, a GUITAR?
The little one is your old standby, the Parker T-Ball Jotter.
The big one is the manly DUNN DREADNOUGHT, the behemoth of fountain pens. These monsters were made in the early part of this century as big fat status symbols, pens that could write all day without needing to be refilled. Parker and Waterman had made giant pens earlier, but this critter is huge, even compared to them.
More Dreadnought Stuff