Specification of John Dales : applying deodorizing fluids to sewers, &c.
- Dales, John.
- Date:
- 1860
Licence: Public Domain Mark
Credit: Specification of John Dales : applying deodorizing fluids to sewers, &c. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Specification of John Dales : applying deodorizing fluids to sewers, &c. Source: Wellcome Collection.