F.E. Thomas Dirigo (@2@/64inchB@R@inch@$@.@4@9@>@A@D@F@I@K@N@@P@Q@R@T@@U@V@W@Y@@Z@[@\@^@@_@@`@`@a@ b@b@`c@d@d@@e@inchV-?ʡE?MbX?L7A`?;On?~jt?/$?Zd;O?E?1Zd?q= ףp?Zd;?rh|?Pn?K7?"~?Cl?#~j?oʡ?\(\?inchmm fffffj@ E@D@grainsgrainsfeet?I +?ounce @grains@;On@K7A`?oz / cubic inch)wY?Q?oʡ?QΖʕ͓h̒l,http://www.uwm.edu/~stetzer/Tapers/hexrod-archive.html