Cobalt swain ' Sir [Johann Franz] Julius

' Sir [Johann Franz] Julius von Haast] (1822-1887) German geologist active in New Zealand was elected a Fellow of the Royal Society in 1867

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This relates to the recent conflicts involving Turkey that had culminated in a Bulgarian uprising

surmounted by an interior view of the chapel with two women cleaning it

Cobalt swain ' Sir [Johann Franz] JuliusIllustration of regulus of cobalt with purple and green layers. Plate 24 from Fossilium Metalla Et Res Metallicas Concernentium Glebae Suis Coloribus Expressae by Casimir Christoph Schmiedel (Nuremberg, Iohannis Michaelis Seligmanni, 1752). Inscribed: 'Tabula XXIV. J. C. Dietzsch ad viv pinge. J. M. Seligmann excudit. Joh. Sebast. Lectner Sculps.' Original: engraving. 1752