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Profile: The Esterbrook Model J Family
 

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Esterbrook Advertisement, 1950

 
This Esterbrook advertisement, an early color one, appeared in the December 1950 issue of National Geographic Magazine. It features a few Renew-Point nibs and a Model J set, and it uses the new metal-capped Deluxe model to illustrate nib replacement.
 

Esterbrook logo R. Esterbrook & Company, of Camden, New Jersey, began making plastic fountain pens in the middle of the 1930s. These pens, priced at $1.00 or $1.50, were made of celluloid and had the flat barrel and cap ends common to many pens of the time. (Revised May 26, 2008)

Esterbrook Dollar Pen

This is an Esterbrook “Dollar” Pen, predecessor to the J.
In this color, Dubonnet Red, the pen sold for $1.50.

The new pens introduced a system of user-interchangeable nibs called the Re-New-Point (later changed to Renew-Point). Choose your point Although Esterbrook wasn’t the first company to offer interchangeable nibs, its system was so well designed, and became so successful, that several other companies designed their own pens to use nibs compatible with Esterbrook’s, and one even referred to the design as “Standard.”

The Lovable J Makes its Appearance

In about 1943, Esterbrook introduced a new model with a streamlined cap. Initially described a twist filler but actually using a piston mechanism, the pen appeared within a year or so bearing Esterbrook’s traditional lever system, and thus was born the Model J as we know it today. The model range included large (J) and small (SJ) sizes. (See below for more information on sizes.)

Ribbed jewel, plain clipThe initial version of the J retained the flat-ended barrel of its predecessors but replaced the flat metal plate on the end of the cap with a smoothly integrated ring and clip finished off with a black plastic “jewel” in much the same manner as Parker used on its pens of that era. At first, the jewel had three parallel ribs and screwed into the end of the cap; the clip had pegs that matched notches in the jewel’s shank to keep the clip from turning.

Image of transitional J

This “late transitional” J has a cap reflecting the final version,
with a round jewel and a clip that is marked ESTERBROOK.

Round jewel, imprinted clipThe new streamlined shape went through a couple of minor tweaks. First, Esterbrook replaced the ribbed cap jewel with a plain round one; the clip was riveted to the cap with a metal grommet, with the jewel pressed into the center of the grommet. The next change was the addition of a stamped ESTERBROOK imprint on the clip. The J reached its final form in 1948 with the adddition of a jeweled tassie on the end of the barrel to match the cap’s clip mounting.

Final-form Esterbrook J

This illustration shows a Copper J of the final double-jewel pattern.

Despite their low selling price, Esterbrook’s plastic pens are remarkably well made. The use of thick plastics gave them strength, and you rarely see an Esterbrook with its barrel bulged by the spring-steel clip ring that secures the lever in place. The marbled colors, of celluloid, have a harder surface than the injection-molded solid-colored pens; it’s not uncommon to find solids dulled by wear or darkened by grime that has been ground into the surface. Most of these pens clean up very nicely.

Esterbrook’s use of stainless steel for the furniture on the J family was an economy measure; it was less expensive to make the parts of stainless, despite the metal’s higher cost, than to apply plating to a cheaper metal. The use of stainless is a boon for collectors half a century later, because Esterbrook furniture does not brass. Corrosion is not unheard-of, but it is rarely found on Esterbrooks except, as with other pens, on the occasional nib.

Esterbrook designed the J series to take advantage of the economies of scale. All four models use sacs of the same size, no. 16, cut to the same length; all of the pens except the J have barrels of the same diameter, and small rubber plugs inserted into the barrels of the SJ and LJ reduce their inside lengths to the same as that of the H and CH. A clear plastic “trough” inserted into the barrel of the J reduces that pen’s inside diameter and effective length appropriately. Because the barrels are all the same length inside, the same pressure bar, too, works for all four models. Jewels, cap bands, clips, tassies, and levers are the same throughout except for the J, whose parts are necessarily larger.

Which is Which?

The design of the J was applied initially to pens of two sizes, the larger J and the smaller SJ. Later the range grew to four sizes, adding the slender LJ and the diminutive H and CH “purse pens.” At first glance, especially “in the wild,” it is sometimes difficult to be sure which size you are looking at. Here are a J and a CH (lent by Mark Bacas) together.

Model J
Model CH

It’s obvious which of the two pens above is which; but when you’re looking at a single pen in a case at an antique store, it can be more difficult. The following descriptions will help you to establish which model you are looking at. Each of the pens illustrated below is superimposed on a grid that is ruled with 4 squares per inch. Under each illustration is listed the pen’s length. The lengths of individual pens may vary in a small range (not sufficient to render identification uncertain).

The Model J

Image of Esterbrook J

The J is the longest and fattest member of the family, with a capped length of about 5”. The easiest way to identify a J is to observe that the jewel in the cap is noticeably larger than the barrel-end jewel.

The Model LJ

Image of Esterbrook LJ

The LJ is the same length as the J but is thinner (and looks decidedly more slender), with a capped length of about 5”. The distance between the lever and the barrel-end tassie is slightly longer than the lever itself; this is like a J, but the LJ’s jewels are both the same size.

The Model SJ

Image of Esterbrook SJ

The SJ is the same diameter as the LJ but is shorter, with a capped length of about 43/4". Handled in isolation from each other, the J and SJ can readily be mistaken, one for the other. As indicated above, the best marker, absent any way to measure, is the sizes of the jewels. Also, the distance between the lever and the barrel-end tassie on an SJ is shorter than the lever.

The “Purse Pen,” Models CH and H

Image of Esterbrook CH

The CH (with clip) and H (without clip) are distinctly smaller than any of their siblings; in the hand they look tiny, with a capped length of about 43/8", and it is unlikely that you would confuse one of these pens with a larger model.

Pens in the Pocket — Which is Which, Redux

In addition to fountain pens, Esterbrook produced ballpoint pens and mechanical pencils for the J family, and the three different types of writing instruments were offered both individually and in sets of two or three pieces. An indication of the thoughtful design typical of Esterbrook is the creation of a unique cap jewel shape for each of the different writing modes: concave for the pencil, pointed for the ballpoint pen, and slightly rounded for the fountain pen. The differences between the jewels allow the user to discern by touch which instrument he or she is about to remove from pocket or purse:

Cap jewels

Illustrated here from left to right are the cap
jewels of the pencil, ballpoint pen, and
fountain pen. Set lent by Christian Fox.

Keeping Up With the Joneses

All pen makers are forever looking to their competition to find what sells better. When Esterbrook looked around in the late 1940s, the corporate eye fell on Parker’s top-selling “51” and Sheaffer’s popular Sentinel. What set these pens apart was their metal caps. So Esterbrook jumped on the bandwagon, announcing in 1950 the Deluxe series. These pens are standard J-series pens with the addition of a metal cap and, to prevent the cap’s metal threads from destroying the barrel, a metal thread ring set into the barrel after the fashion of Sheaffer’s pens. The cap styling is remarkably similar to the styling of a “51” Lustraloy cap, with a brushed finish and a polished band. Here is a slender (LJ-sized) Deluxe, the Model SM:

Image of Eserbrook Deluxe

Colors and More Colors

The J family appeared in a surprising number of colors. The bigger pens were primarily marbled, and the purse pens bore solid colors.Not all of the colors that appear today were catalogued together; in fact, some may not have been catalogued at all. For example, there exist brown and copper-colored double-jewel Js, but by 1948, when the barrel jewel appeared, Copper was not in the catalog. In that year, Esterbrook dropped all the “fancy” naming and just stuck with the basics. Basic color names designated by roman numbers I and II indicate that double-jewel pens of both hues are known to exist.


Colors of the J, SJ, and LJ
Color “Fancy” Name (Basic Name)

Black

Black

White

White (SJW. Nurse’s Pen; available with black, red, or green jewels, to indicate the color of ink)

Dubonnet Red

Dubonnet Red (Red)

Brown

Brown (Brown I)

Copper

Copper (Brown II)

Fern Green

Fern Green (Green I)

Foliage Green

Foliage Green (Green II)

Cobalt Blue

Cobalt Blue (Blue)

Pearl Gray

Pearl Gray (Gray I)

Dawn Gray

Dawn Gray (Gray II)


Colors of the CH and H (Early, c. 1950-1957)
Color Name

White

White

Pink

Pink

Peach

Peach

Yellow

Yellow

Aqua

Aqua

Blue

Blue

Orchid

Orchid


Colors of the CH and H (Late, 1957-end of production)
Color Name

Polar White

Polar White

Tempo Red

Tempo Red

Trianon Rose

Trianon Rose

Aloha Gold

Aloha Gold

Country Green

Country Green

Peacock Blue

Peacock Blue


The marbled-color illustrations in the table are from photographs of actual pens. Solid colors are computer generated and carefully matched to actual pens. (3D highlighting was added with a computer.)

The information in this article is as accurate as possible, but you should not take it as absolutely authoritative.

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