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Glossopedia of Pen Terms

(This page revised July 29, 2021)

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Reference Info Index | Glossary of Paper Terms  ]


Yafa (Yafa, Inc.) A manufacturer, importer, and distributor of writing instruments, located in Canoga Park, California; founded in 1978 by Yair (Jerry) Greenberg. Yafa handles a broad line of pens, refills, ink, etc. In 1999 the company began manufacturing its own line of pens under the Monteverde name, and in 2009 it acquired the revived Conklin Pen Company, which was founded by Robert E. Rosenberg in 1999. Today, Yafa produces fountain pens under the Monteverde and Conklin brands, and it imports Diplomat, Nettuno, Pineider, Stipula, and Tibaldi pens. Shown here is a Monteverde Invincia. See also Conklin, OmniFlex.
Fountain pen
Yankee  1  (Yankee Specialty Company) A company located in New York City; founded probably c. 1895. Among its wide selection of household products, the company sold gold pens (dip nibs), pen holders, and fountain pens, all under the Yankee brand. Under the ownership of Leonard W. Sweet and Eli P. Ellsworth, the company appears to have changed its name c. 1897 to Sweet & Ellsworth, but the partnership was reported in 1901 (Trow's) as having been dissolved.  2  A brand of straight-cap eyedropper-filling fountain pen sold by the Yankee Specialty Company (see definition 1). These pens were made by O. E. Weidlich, of Cincinnati, Ohio, and were among the pens falling under the purview of Paul Wirt’s 1899 patent infringement settlement with the American News Company. See also Weidlich (definition 1).  3  One of many brand names under which a variety of cheap Austrian-made piston-filling pens were sold. For more information and an illustration, see Manos.
Yard-O-Led (Yard-O-Led Pencil Company, Limited) A manufacturing company located in Birmingham, England. Founded in 1934 as the Yard-O-Led Pencil Company to manufacture propelling mechanical pencils based on Sampson Mordan’s 1822 patented design featuring storage of twelve 3" lengths of lead. This one-yard supply of lead was the source of the company’s name. Currently producing high-quality pens and pencils primarily in sterling silver, Yard-O-Led is a division of Filofax, a part of the Letts Filofax Group Ltd. Shown below is a Yard-O-led Viceroy Victorian.
Fountain pen
Yaroslavl (Ярослáвский оргтехника, “Yaroslavl Office Equipment” in Russian; also Jaroslavl) A pen manufacturer located in Yaroslavl, Union of Soviet Socialist Republics. Yaroslavl pens featured steel nibs and, frequently, metal caps, and there were models with accordion and piston fillers; the latter had removable barrels and a permanently attached filler that resembles an ordinary piston converter. At the lower end of the line there were pen with syringe (pull) fillers, also concealed within a removable barrel. The piston-filling pen shown here was a relatively high-line model; it featured a spring-loaded clip that was stamped, cookie cutter fashion, from a thick steel sheet rather than being stamped from a thin sheet and then formed.
Fountain pen
Yellowstone (sometimes colloquially referred to as “Mustard”) One of the more collectible high-cachet colors used for the Vacumatic-filling version of the Parker “51”; shown below. Yellowstone is rather fragile, and the repair of Yellowstone pens calls for great care. See also Blue Cedar, Buckskin Beige, Nassau Green.
Color chip

The information in this Glossopedia is as accurate as possible, but you should not take it as absolutely authoritative or complete. If you have additions or corrections to this page, please consider sharing them with us to improve the accuracy of our information.

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