German chemist (1818-1892) whose discoveries included formaldehyde, hydrazobenzene, the isonitriles, and allyl alcohol. ALS in German, signed “A. W. Hofmann,” one page, 5.75 x 8.75, July 24, 1879. Letter to Prof. Westphal, in part (translated): "At the end of the last meeting of w. deputation it was decided to give a dinner for Under Secretary Lydow. This will take place next Saturday at 6 o'clock at Borchardt (28 Franzosische Strasse.) We have without doubt presumed that you will take part in the festivity. Should you be unable to come for some reason, please be kind enough to let me know with a line." In fine condition.
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