| Ref No | LDGSL/1088/WW/4 |
| Title | Photograph, 'Mexico. Perlitic structure in obsidian' |
| Date | [1897] |
| Level | Item |
| Extent | 1 lantern slide |
| Format | Photograph/drawing/painting/print |
| Description | Black and white photograph, 'Mexico. Perlitic structure in obsidian', by William Whitehead Watts, [1897]. |
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| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| Publication Note | British Association lantern slide no.1759. |
| ArchNote | Description by Caroline Lam |
| CreatorName | WATTS | William Whitehead | 1860-1947 | geologist and educationist |