[Extension of letters patent to heirs of Rudolph Leschot, for improvement of drill-head.]
Series: S.rp.213
Publisher: [s.n.]
Published: 1884
Place of publication: Washington
Language: eng
Format: Electronic resource
Subjects: Family; Machine-tool industry; Patents
Notes: Record is based on bibliographic data in LexisNexis U.S. Serial Set Digital Collection (last viewed Dec. 2006). Reuse except for individual research requires license from LexisNexis Academic & Library Solutions

LexisNexis U.S. Serial Set Digital Collection

Electronic resource. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 2004. (LexisNexis U.S. Serial Set Digital Collection : no. 2174 S.rp.213)