Observations Made During The Year At The United States Naval Observatory
| Availability: | freely available |
|---|---|
| Homepage(s): | |
| Fulltext available since: | (1887) |
| Fulltext available until: | (1893) |
| Publisher: | Government Printing Office |
| ZDB-ID: | 2177627-1 |
| Subject(s): | |
| Tag(s): | Astronomie |
| Appearance: | retrospectively digitized |
| Costs: | free of charge |
