But the Esterbrook 407 Dip-Less inkwell is an endangered species. It came singly or configured in pairs. The black bakelite Art Deco base holds the inverted glass well, which is sealed with a rubber stopper. It was intended to be used with an Esterbrook Dip-less pen, which held more ink than a simple dip pen shown above.
It was made to feed ink to a constant level and to reduce the risk of spillage. You'd find it chained to a desk in the lobby of a bank, hotel, or post office, where a steady supply of ink had to be made available to the public.
Previous dead tech: Zipatone, Waxer.
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