| Henry Fox Talbot Botanical specimen, possibly a Fern 1842, 10 June (before) Paper Negative, contact 22.8 x 18.5 cm Bavarian Academy of Sciences and Humanities - Bayerische Akademie der Wissenschaften Prot.bd.58, fol. 131, Schaaf no. 4211 LL/82194 Watermark: J Whatman 1841, Watermark (expanded): J Whatman Turkey Mill 1841
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