Harrison's Marine Chronometer from Old Royal Observatory
- Level:
- file
- Collection ID:
- Accession 92-122
- Repository:
-
Smithsonian Institution Archives
Chronometer
- Level:
- file
- Dates:
-
circa 1856
- Collection ID:
- NMAH.AC.0982
- Repository:
-
Archives Center, National Museum of American History
QB Chronometer
- Level:
- file
- Collection ID:
- NASM.1987.0125
- Repository:
-
National Air and Space Museum Archives
Notes, directions, and computations relating to a design for a chronometer,
- Level:
- file
- Dates:
-
circa 1859
- Collection ID:
- NMAH.AC.0982
- Repository:
-
Archives Center, National Museum of American History
Chronometer assembly
- Level:
- file
- Dates:
-
undated
- Collection ID:
- NMAH.AC.1122
- Repository:
-
Archives Center, National Museum of American History
Computations for chronometer,
- Level:
- file
- Dates:
-
circa 1857-1858
- Collection ID:
- NMAH.AC.0982
- Repository:
-
Archives Center, National Museum of American History
Worn, James W., Maker of Chronometer, Duplex and Patent Lever Watches Philadelphia, Pennsylvania
- Level:
- file
- Collection ID:
- NMAH.AC.0060.S01.01.Watchworks
- Repository:
-
Archives Center, National Museum of American History
Episode 302
- Level:
- item
- Dates:
-
1956 July 28
- Size:
-
1 Motion picture film
- Collection ID:
- NMAH.AC.0507
- Repository:
-
Archives Center, National Museum of American History
Episode 473
- Level:
- item
- Dates:
-
1959
- Size:
-
1 Motion picture film
- Collection ID:
- NMAH.AC.0507
- Repository:
-
Archives Center, National Museum of American History
Jon and Jennifer Hanson Watch and Clock Collection
Creators:
Hanson, Jon
Hamilton Watch Company.
Hamilton Watch Company.
Dates:
1931-1954
undated
undated
Size:
11.7 Cubic feet (8 boxes including photographs and negatives)
Collection ID:
NMAH.AC.1122
Repository:
Archives Center, National Museum of American History
Photographic prints and negatives documenting the interior operations of the Hamilton Watch Company primarily in the 1930s and 1940s.
