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Extensible Trestle.

Description: Patent for an improvement to extensible trestles for masonry and carpentryscaffolding and other uses, including both instructions and illustrations.
Date: January 7, 1890
Creator: Bogusch, Robert J.; Bogusch, Gustav & Zincke, August
Item Type: Refine your search to only Patent

Flue-Cutter

Description: Patent for a flue cutter with a pair of pivoted arms, which can be detached, and a cutter-head.
Date: January 14, 1890
Creator: Bogusch, Robert J.; Zincke, August & Bogusch, Gustav
Item Type: Refine your search to only Patent

Report of the Boundary Commission Upon the Survey and Re-Marking of the Boundary Between the United States and Mexico West of the Rio Grande, 1891 to 1896: Parts 1 and 2

Description: Report documenting a four-year project to survey and re-mark the boundary between the United States and Mexico west of the Rio Grande, including text of various relevant treaties and conventions, documentation regarding astronomical determinations and geodesy, explanations of the surveying methods, descriptions of topography, and various other relevant information along with photographs, data tables, and supplementary illustrations.
Date: 1898
Creator: International Boundary Commission, United States and Mexico
Item Type: Refine your search to only Report
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