Royal Society (page 8)

Cloud horizon Charles Piazzi Smyth

Cloud horizon Charles Piazzi Smyth

Cloud horizon Charles Piazzi Smyth

'Provisional map of the Peak of Teneriffe' Charles Piazzi Smyth

Alchemist's chamber Robert Vaughan

‘The Ordinall of Alchimy’ Robert Vaughan

‘The Ordinall of Alchimy’ Robert Vaughan

Sublimate of gold' Thomas Kell

Wind, temperature and rainfall graph Luke Howard

Wind, temperature and rainfall graph Luke Howard

Butterflies and caterpillars Frederic C Moore

Baron butterflies Frederic C Moore

Double-branded crow butterfly Frederic C Moore

Tiger buttergly Frederic C Moore

Plain tiger butterfly Frederic C Moore

Cuttings of grape vines Joseph James Forrester

Grape vines Joseph James Forrester

Portrait of Alfred Russel Wallace Art Reproduction Company

Portrait of Martin Farquhar Tupper Elliott & Fry

Pleiades star cluster after Galileo Galilei

Harp seal Friedrich Eduard Müller

Harp seal Friedrich Eduard Müller

Ringed seal Johann Friedrich Schröter

Harbour seal stomach Friedrich Eduard Müller

Harbour seal Johann Friedrich Schröter

Bearded seal Johann Friedrich Schröter

Breiðamerkurjökull glacier Friedrich Eduard Müller

Waterfowl of Mývatn Friedrich Eduard Müller

Sea bird colonies of Grimsey Friedrich Eduard Müller

Harp seals Johann Friedrich Schröter

Harp seal stomach Friedrich Eduard Müller

Bearded seal Johann Friedrich Schröter

Harp seal Friedrich Eduard Müller

Harp seal Friedrich Eduard Müller

Harp seal Friedrich Eduard Müller

Harp seal Johann Friedrich Schröter