Refers to heights located about 50 miles from Tampico, Mexico on the Panuco River.
Manuscript notations show not only the location of mound sites, but also names and types of artifacts found (i.e. "carved stone," "axe heads," "broken pottery," etc.) at many of the sites. Base map is entitled, "Mexican Oilfields...Ozuluana County, State of Veracruz, 1916." In the lower right corner a note indicating when the blueprint was made per...
The Hyde Windlass Company was founded in 1895 for the manufacture of deck machinery. Growing interest in marine transportation and the necessity for it because of wars increased the company's size enabling it to design and manufacture a larger variety of products from propellers and marine fittings to other heavy machine assemblies.
Data on petroglyphs in the Susquehanna Valley, Pennsylvania, purporting to trace their origin to the Phoenicians.
This collection consists of a prospectus including the following types of material all relating to Ralph W. Yelli's Ray Airship: blueprints, specifications, cost analysis, revenue estimates, letters of endorsements, and two photographs of a model of the airship.
Papers documenting Page Tractor Company and its parent company, Pioneer Manufacturing. The papers include customer inquiries and the responses to them, drawings and blueprints, invoices, trade literature, parts catalogs and price lists, and instruction manuals.
Photographs of Chilean power stations and equipment; and engineering drawings and blueprints of the Braden Copper Company, Rancaqua, Chile.
Correspondence, notes, articles, and photographs assembled by Harris on the history of the United Fruit Company and Tropical Radio Telegraph Company (TRT), 1904-1961. Also includes manuscript histories of companies; material on the application of teletypewriters to radio circuits; blueprints, schematics, reports, and manuals concerning the technica...
Collection documents transportation analyst, consultant and planner Frank H. Waring and his consulting firm The Waring Group, Inc.