Saturday, October 27, 2012

Featured Pen - New Dunn Pen

[You can click on any of the photos to enlarge for more detail]

The following is copied directly from David Nishimura's site

The Dunn Pen Company set its sights high.  Based in New York City, it produced a line of high-quality pump-fillers and backed them up with an extensive advertising campaign.  As it turned out, however, the company lasted only a few years, from 1921 to declaration of bankruptcy in 1924. 

Advertised as "the pen with the red pump handle", Dunns are filled by unscrewing the end knob then pumping up and down a few times.  Ink capacity was high and the mechanism strong and reliable, with no soft rubber parts and only one easily-replaced cork seal at the end of the barrel.

Dunns were made in a wide range of sizes from ladies ringtops to giants carrying #12 nibs.  Most have translucent red casein pump handles, but opaque orange handles without the screw-down feature are also common.  Quite a few Dunns were made with transparent barrels, most of which seem to be made of celluloid rather than Bakelite.  Dunns were not flashy pens; basic black was the rule, though a handful of pens with metal overlays are known.  Dunn also made a line of injector pencils which are usually found in gold filled metal.

An unusual feature of the pen shown above is the two-piece cap.  When the top portion is unscrewed, the nib is exposed, surrounded by a protective cage.  This permits the pen to be filled without risk of striking the nib on the bottom of the inkwell or bottle while pumping.

The following information is taken directly from Richard Binder's website,
In 1920, Charles Dunn patented a pump filling system that he said had taken him 10 years to perfect. The next year saw the Dunn-Pen Company founded to produce “The Fountain Pen With The Little Red Pump-Handle.” The Dunn-Pen company lasted less than four years, going out of business in 1924 due to labor problems. The New Dunn Pen is today’s incarnation of Charles Dunn’s elegant design. With no rubber sac or diaphragm to rot or wear out, the New Dunn Pen is simplicity itself, and it holds an incredible 3.4 ml of ink! Gate City Pen has restyled the Little Red Pump-Handle, but that’s the only change to the design. The New Dunn Pen even comes in the same two colors offered nearly a century ago: the Standard and the “Tattler.” The Standard, all black except for the Little Red Pump-Handle, is the dignified one of the pair, while the “Tattler’s” transparent barrel gives you a good view of your ink supply — and the fun of watching that nifty pump do its thing. At 53/8" capped and 71/16" posted, it’s a good-sized pen.
Filling System: Dunn-Pen proprietary, later used on Omas Lucens and Gate City Belmont. Design: Pump. A plunger draws in ink when raised and expels air through the breather tube when depressed. The downstroke expels air instead of ink because the air in the barrel can travel down the breather tube more easily than ink can flow down the feed channels. The “piston head” is only a guide and a retainer to keep the plunger from being pulled out of the barrel, and it does not seal against the barrel. In order to facilitate the flow of ink from one side of the head to the other, the head in some pens is relieved to give it a square shape, while in other pens there are holes in the plunger shaft near the head. 

Filler schematic

I have been using this pen for several weeks now.  Yes, this is a good sized pen, but it is very comfortable to use and the awesome .9 mm CI nib is a joy to use.


Sandra Strait said...

Ooh! So many pens, so little moolah!

Trece said...

This one looks quite nice. You know I love a broader nib!

inkophile said...

Nice pen. Was the cursive italic nib custom ground? What did the Dunn cost with that modification?

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