H. Gravius – Adressbuch Berlin 1820
| Given name | H. |
|---|---|
| Family name | Gravius |
| Occupation | Mechanikus |
| Address | Friedrichsgracht 31 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 139 |
| Year | 1820 |
| Given name | H. |
|---|---|
| Family name | Gravius |
| Occupation | Mechanikus |
| Address | Friedrichsgracht 31 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 139 |
| Year | 1820 |