|Sample Image | Spin Video | QuickTimeVR Rotation|
For a Popular Science column I wrote about making glass I needed a graphite mold to press the glass into. I machined one out of a block of graphite, and tested it by casting this medallion out of cheap and easy to melt zinc. Satisfied with the shape I went on to make similar medallions out of glass (listed under silicon because glass is mostly silica).
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 26 October, 2008
Text Updated: 29 January, 2009