On Peruvian guano : its history, composition and fertilizing qualities : with the best mode of its application to the soil / by J.C. Nesbit.

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On Peruvian guano : its history, composition and fertilizing qualities : with the best mode of its application to the soil / by J.C. Nesbit. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.