BLOWTORCH: Ever since man first understood fire he's tried to harness its power into tools designed to melt weld and forge metals and other materials. Ancient Egyptians blew through reeds into crude furnaces to achieve tem... more »peratures hot enough to melt gold. Colonial American silversmiths used a blowtorch powered by alcohol. By 1910 over 100 companies were producing gasoline torches under the names Vesuvius Red Dragon Meteor Hercules Hotblast or Vulcan. When propane began replacing the volatile gasoline in 1925 the device had finally become a reliable safe and portable heating tool. Viewers visit Bernzomatic where the T7000 Instant-On Torch is manufactured at a rate of one torch per six seconds and Startech Environmental Group whose supertorch recreates conditions found only at Earth's core.« less
Genres:Television, Documentary Sub-Genres:Television, Science & Technology Studio:A&E Home Video Format:DVD - Color DVD Release Date: 12/16/2008 Release Year: 2008 Run Time: 0hr 50min Screens: Color Number of Discs: 1 SwapaDVD Credits: 1 Total Copies: 0 Members Wishing: 0 MPAA Rating: NR (Not Rated) Languages:English