From Thomas A. Forbes, "Guide to Better Archery", a 1955 publication. Love the old information and illustrations. They are self explanatory. Check the NAA rounds....you guys who think 30 yards is a long shot. :D
(http://img.photobucket.com/albums/v134/oldearcher46/a084.jpg)
(http://img.photobucket.com/albums/v134/oldearcher46/a085.jpg)
(http://img.photobucket.com/albums/v134/oldearcher46/a.jpg)
Thank you (as usual) for sharing that George!
Where the heck do you find this stuff....excellent!!