[LtCol Henderson Marriott]

Nash Buckingham and Charles Askins, Sr. were aware of the Crossman tests on Fox guns.
Buckingham owned 2 Super Fox guns in 3in 12 GA for waterfowl.

My tests were and are still ongoing-while shells in coppered #4 and # 5 began to get scarce. That and hunting trips in the west. I have renewed the testing with field notes
and spread sheets at 55 yards for all 4 guns, including Heavy duck Model 12s
Long Range LC Smith, and the 30 inch Super Fox extra full Becker-style bores-3inch.
As a Parker Bros. entry, I could not use my 3rd generation 1923 inherited heirloom AAHE
Special. (DGJ-2003-Summer)

Canadian goose hunts this past winter using both the SuperFox and LC Smith
confirmed the Fox outranged all other guns beyond 50 yards in actual effective
wing shooting. Favorite load was Hevishot #4 -3 inch. Results were amazing.
Number 5 shot seems to pattern best at 55 yards on paper circles.

Frank Srebro did the Sterlingworth Wildfowl article in the winter issue(DGJ) of 2015.
HE heavy barrels were used by Fox.

The number of Fox Sterlingworth Wildfowl 3 in guns is just as rare as 3 inch chambered Parkers.
Bill Murphy's results are the same pretty much as mine. AH Fox knew how to make long range guns. Burt Becker tapered and polished forcing cones . With Major Askins assisting in 1922, Becker-bored refined 3inch guns became the HE SuperFox on basically a 10-GA frame.Michael Mc Intosh did an excellent article on the Super Fox in the August 1987 issue of The American Rifleman.
He states"Buckingham was so impressed by the performance of Olin's gun and shells that he immediately abandoned his 34 in Parker and whatever cartridges he had been using. By the time Major Askins arrived in Philadelphia, Buckingham had a Becker-bored Fox of his own and Olin's shells
were beginning to appear in sporting goods stores under the trade name Super-X"

Let me know if you have a 3 inch confirmed-chambered Parker. The research slowly continues.........