Technology
In these series, the Museum publishes original articles and monographs dealing with the collections and work of its constituent museums--The Museum of Natural History and the Museum of History and Technology--setting forth newly acquired facts in the fields of anthropology, bi...
In these series, the Museum publishes original articles and monographs dealing with the collections and work of its constituent museums--The Museum of Natural History and the Mu...
2. Part 2It is impossible to say whether Bollman himself, or Latrobe, was struck with the logic of further elaborating upon the system and, simultaneously, translating the timber compres...
3. Part 31862-1862 Harpers Ferry, Va., Bollman 2/160' Span no. 3 (July 24) and Potomac River through span no. 4 (August 21). truss Blown up September 24, 1862. B. & O. RR.