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Do you know what diamonds, rubies, and emeralds are? "Jewels" is the answer most people offer. It's an accurate answer, but it doesn't tell the fascinating story behind these treasures from nature.... (2001) Complete Story
The construction process is simple enough if you have basic do-it-yourself skills. Firstly, assemble the timber frame as shown below using a length of 4x2 inch planed timber and a sheet of 1/2 inch plywood. In my case the base was 39 inches long by 16 inches wide. The plywood base was screwed to the bottom of the side members and then the top platform was screwed at one end.... (2004) Complete Story
You will require a 5 to 6 inch by 3 inch wide brass or copper tube, silver solder a cover on both ends a thicker one or double up for the base to retain the heat. Ideally the tube and top plate should be 1/8th inch thick with the base plate being.... (2003) Complete Story
This paper describes a process that eliminated fire scale during a vacuum casting cycle. Castings should not have a fire scale problem if the casting are cooled following this procedure....This casting was cooled using this process. This is what it looks like after quenching and brushing with a brass brush.... (2005) Complete Story
