I have ultrasonically cleaned the NIB, feed, and section. Replaced the old rubber sac with a new, properly sized Silicone sac. Hand polished the Chilton Gold Filled Clip, 2-Ring Cap Banding, and 14K Chilton Boston Nib. Cleaned, Buffed, Polished and Waxed the barrel and cap to bring back the vibrancy of fountain pen and to protect the celluloid. This Chilton Pneumatic Fountain Pen measures 5 1/8" capped and 6 7/8" posted.
This fountain pen cap and barrel are in magnificent condition with no chips, cracks or repairs with the cap always securing tightly to the barrel. The cap has Chilton Gold Filled Clip and displays a hint of brassing on the ball of the clip. Very minor but want to point it out for clarity sake. The 2-Ring Cap Banding displays no brassing and has a rich gold filled color. The barrel is clearly stamped with, "Chilton Pen Boston, Mass U.S.A. Pat. 3-3-25 4-6-26". The black & pearl celluloid coloring is fabulous, it displays wonderful color.
The filling unit on this Chilton is known as a Pneumatic filler. To refill the pen, you have to slide the barrel upwards, put your finger over the little hole that is at the end of the barrel, pull it downwards again, put the nib inside the ink pot and release the pressure of the finger, creating a vacuum which allows ink to go up through the nib and into the sac. I have greased the filling unit, so it operates smoothly. There is excellent suction on the seals - it fills as it was intended to.
The Chilton Boston NIB is 14K gold and the actual tipping material has a medium point measuring roughly .78mm when measured with digital calipers. When writing a sample with this NIB, it writes with an extra fine (xf) to a double broad (bb) stroke/line. In the writing sample provided in the listing, the extra fine line measures at .41mm and the double broad line measures at 1.38mm under medium to firm pressure when measured with digital calipers. The writing sample was done with the actual pen in the images by dipping the NIB in Parker Quink Blue-Black Ink.
Any specks of white in the images are from the cotton that I used to clean the barrel and cap.
This Chilton is in beautiful condition, has great color with a clear imprint. These types of Chilton's are hard to find in this type of condition which, I would grade in excellent. Certainly, a worthy writing instrument to add to one's collection and is ready for use if indeed one intends to do so.
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