F.E. Thomas &@.@/64inch@@P@inch@$@.@4@9@>@A@D@F@I@K@N@@P@Q@R@T@U@V@W@Y@@Z@[@\@^@@_@@`@`@a@ b@b@`c@d@d@@e@inchQ?ˡE?&1?rh|?S㥛?M?ˡE?x?~jt?K7?A`"?v/?m?`"?/$??M?On?inchmm33333a@QX@@>@grainsgrainsfeetE?x?ounce @grains@~jt?K7A`?oz / cubic inch)wY?Q?JC?QΖʕ͓h̒l,http://www.uwm.edu/~stetzer/Tapers/hexrod-archive.html