Keywords: AHvanderBoonMesch.jpg en Antony Hendrik van der Boon Mesch 1804-1874 professor chemistry at Leiden University 1870 Leiden University http //socrates leidenuniv nl Icones Leidenses 237 author PD-art-100 Anthony Hendrik van der Boon Mesch Icones Leidenses Photographs uploaded by User Vysotsky Uploaded with UploadWizard |