Unfortunately, when I first started measuring for guys, I gave them the sheet and didn't keep a summary frown but am doing so now. Here are previously posted results:

http://www.doublegunshop.com/forums/ubbthreads.php?ubb=showflat&Number=224090&page=all

Fox A grade 16ga, 26" barrels, 2-7/16" chamber, 0.085" and 0.086" minimum wall thickness at the end of the chambers, .734" and .734" diameter at the end of the chambers, 5/8" long forcing cones, #4 barrels, gun weighs 5lbs 9oz, serial 302XXX.

Parker VH O Frame 16ga, 28" steel barrels, serial 134XXX, 2-9/16" chamber, .082" and 0.085" minimum wall thickness at the end of the chambers, 0.730" and 0.732" end chamber diameters, 3lbs 2oz unstruck barrel weight, gun weighs 5lbs 14oz.

Fox XE 16ga, 30" barrels, serial 301xxx, .072" and .080" minimum wall at chamber ends, 2-7/16" chambers, .733" and .733" end chamber diameters, gun weighs 6lbs 3oz

Parker DHE 16ga, 32" steel barrels, serial 212XXX, 0.090" and 0.092" minimum wall thickness at chamber ends, 2-9/16" chambers, .735" and .736" diameter at chamber ends, barrel unstruck barrel weight 3lbs 11oz, gun weighs 7lbs 4oz.

Lefever H grade 16 gauge, 28" twist barrels, .090" and .092" minimum wall thickness at chamber ends, 2-5/8" chambers, .729" and .728" diameter at chamber ends. Gun weighs 6lbs 4oz

Ithaca Flues Grade 4E 16 gauge, 28" Krupp fluid steel barrels, 0.091" and 0.092" minimum wall thickness at the end of 2-5/8" chambers, daimeters of .728" and .730" at the end of the chambers, gun weighs 6lbs 6ounces.

Parker DH 12 bore, 28" Damascus barrels, 1 frame, .086" and .090" minimum wall thickness at end of the 2-5/8" chambers, gun weighs 6lbs 14oz. Serial #84XXX, My Skeets gauges are in capable of measuring the diameters at the end of the chamber.

Bissel Birmingham boxlock, 20 gauge, 25" steel barrels, made in the 1920s, .084" and .092" minimum wall thickness at the chamber ends, 2-1/2" chambers.

AYA #1 20 bore sidelock, factory 2-3/4" (70mm) chambers, 30" barrels, built and proofed in 2006, .092" and .091" minimum wall thickness at the end of the chambers.


Minimum chamber wall thickness
http://parkerguns.org/forums/showthread....ents&page=4

English:
James Purdey (1898) 12b., 2.5" chambers: 0.100.
James Woodward (1909) 12b., 2.5" chambers: 0.098
James Woodward (1909) 12b., 2.5" chambers: 0.103
Boss (1897-8) 12b., 2.5" chambers: 0.090
Westley Richards 12b., 2.5" chambers: 0.090
James MacNaughton (1895) 12b., 2.5" chambers: 0.095
Wm. Pape (1898) 12b., 2.75" chambers: 0.100
EM Reilly (1887-1904) 12b., 2.5" chambers: 0.091
Henri Egg (1870) 12b., 2.5" chambers: 0.108
WH Monks (1875-87) 12b., 2.5" chambers: 0.116
WC Scott (1905-6) 16b., 2.75" chambers: 0.105
Francotte (1938) 12b., 2 5/8" chambers: 0.098
Westley Richards (1905) 20b., 2.5" chambers: 0.098
WW Greener (1922) 20b., 2.75" chambers: 0.098

Belgian:
Francotte (1894-5) 12b., 2.5" chambers: 0.085
Francotte (1896) 12b., 2.5" chambers: 0.085
Francotte (1930) 20b., 2.5" chambers: 0.095

French:
Verney Carron (1950s) 12b., 2 5/8" chambers: 0.100

German:
Wilhelm Brenneke (1902) 12b., 2.5" chambers: 0.110

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