Specification of William Cameron Sillar, Robert George Sillar and George William Wigner : deodorizing sewage for manure.
- Sillar, W. C. (William Cameron)
- Date:
- 1868
Licence: Public Domain Mark
Credit: Specification of William Cameron Sillar, Robert George Sillar and George William Wigner : deodorizing sewage for manure. Source: Wellcome Collection.
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