Thesaurus Term/Concept: PIMPLE
| Identifier | 123526 |
|---|---|
| Class | DEFENCE OF BRITAIN |
| Status | Preferred |
| Index? | Yes |
| Scope Note | Blocks of solid concrete,in the form of truncated pyramids usually 3 feet square x 2 feet high which could be placed in rows to impede enemy movement in the event of invasion. Pimples were recommended for use on soft ground. |