Kingore's site appears to be offline.
 Thanks for the heads-up.  
For those not yet familiar with the "Way Back Machine," it is an internet archive and a solution which frequently provides a useful work-around. 
Search for "Way Back Machine" or "internet archive" then paste the link you are looking for.  If the "Way Back Machine" has archived that link, it will display a timeline and a calendar of archive dates.  Click on a date to see the contents of that link as of that archive date.
Example - Archive of Bertie's webpage as of 2018-Feb-18: 
https://web.archive.org/web/20180218104734/http://www.bertiekingore.com/high-gt-create.htm