Cooke triplet en · NOUN
Etymology
Named after the company T. Cooke & Sons of York, whose chief engineer Dennis Taylor designed it in 1893.
Meanings
- (historical) A photographic lens comprising a negative flint glass element in the centre with a crown glass element on each side.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| Cooke triplets | Number=Plur | lexicographic |