Chemical News volume 10 (1864) (source code)

= Chemical News volume 10 (1864)
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{title2=1864}

https://upload.wikimedia.org/wikipedia/commons/2/22/The_chemical_news._Volume_10%2C_July_-_December_1864._%28IA_s713id13683320%29.pdf

27 August, pp.99–100 and continuation of “On Digitaline”: pharmaceutical variability and colour tests, with specificity limitations.