http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
[Extension of letters patent for improvement in insulating submarine cables.]
Record is based on bibliographic data in ProQuest U.S. Serial Set Digital Collection (last viewed Jan. 2007). Reuse except for individual research requires license from ProQuest, LLC.
ProQuest U.S. Serial Set Digital Collection