Cobalt swain Two Nude Studies

Two Nude Studies

South view of the Tower of London with boats and figures on the River Thames

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

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

Cobalt swain Two Nude StudiesIllustration 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