Messrs Knapp
| Company name | Messrs Knapp |
| Address | Langstone water Mill Havant |
| Region | Hampshire |
| Country | United Kingdom |
| Original document | Hampshire Directory 1784 |
| Compiler | Kirsopp 2004 |
| Company name | Messrs Knapp |
| Address | Langstone water Mill Havant |
| Region | Hampshire |
| Country | United Kingdom |
| Original document | Hampshire Directory 1784 |
| Compiler | Kirsopp 2004 |