Fig. 6

Ferdinand Bauer, Naucratus Ductor, Original (below), and hyperspectral pseudo-colour composite at 593, 629, 859 nm (above). MS. Sherard 239/43. © Bodleian Libraries, University of Oxford, 2017

Ferdinand Bauer, Naucratus Ductor, Original (below), and hyperspectral pseudo-colour composite at 593, 629, 859 nm (above). MS. Sherard 239/43. © Bodleian Libraries, University of Oxford, 2017