[font=calibri]Here's something to muddy the water a little more...I purchased a book some time ago, it was put out by the NWTF; titled "TURKEY CALLS", "An Enduring American Folk Art" . It was written by Howard L. Harlan. In chapter 4 it speaks about Gibson box calls, and the Gibson patent; it states "One interesting fact about the Gibson patent is that, while describing the call and its construction very well, at no place does it list any dimensions". "What Gibson patented was an idea, a design". "Be it ten inches or ten feet long, if made the way described in the patent, it was still a Gibson". The book mentions that Gibson secured the patent in 1897, and favored Red Cedar heartwood for calls (for water resistant qualities). The book also mentions that dimensions for a specific Gibson call were given by Davis' The American Wild Turkey, in 1949[/i]. It's a real interesting book. Hope this helps.
Meadowblaster Custom Turkey Calls
Just because he isn't gobbl'n, doesn't mean he isn't listen'n!