Autograph letter signed : Philadelphia, to "Respected Sir," [F.R. Hassler?], 1835 Apr. 8.
Related Entities
There are 2 Entities related to this resource.
Hassler, F. R. (Ferdinand Rudolph), 1770-1843
http://n2t.net/ark:/99166/w62z1j77 (person)
Swiss-American scientist. From the description of Autograph letter signed : to William Vaughan in London, 1843 Jun. 10. (Unknown). WorldCat record id: 270472923 Ferdinand Rudolph Hassler (1770-1843), Swiss-born, American geodesist and mathematician, was superintendent of the United States Coast Survey. From the description of F.R. Hassler correspondence, 1804-1847. (Unknown). WorldCat record id: 122640031 From the guide to the F.R. Hassler correspondence...
Dahlgren, John Adolphus Bernard, 1809-1870
http://n2t.net/ark:/99166/w6v69qz9 (person)
U.S. naval officer and inventor of ordnance. From the description of Reports to Commodore L. Warrington on ordnance, 1848-1849. (New York University, Group Batchload). WorldCat record id: 58671341 John A. Dahlgren, naval officer, attained the rank of rear admiral. An expert in ordnance, he invented an 11" gun and other devices useful to the Navy. From 1868-70, he was Chief of the Bureau of Ordnance. From the description of Letter, January 28, 1848. (Naval War Col...