Whelk shells in the Royal Society's Repository mb-height 4870 Crowds milling around the market

Crowds milling around the market stalls in the run up to Christmas 1960

The dome of St Paul's can be seen on the other side of the River Thames

The Forth Bridge (Built 1890) was the largest span bridge in the world

Mrs Disraeli on the right runs a Baby Farm

His train is being held by eight eldest sons of peers assisted by the Master of the Robes

Whelk shells in the Royal Society's Repository mb-height 4870 Crowds milling around the marketStudies of five whelk ('wilk') shells: a 'Square Wilk' ('Buccina Rhomboidea'); a 'Long Square Wilk'; a 'Thick Lipp'd Wilk'; a 'Triangular Wilk'; and an 'Inverted Wilk Snail' ('Bucchicochlea'). Table 10 from the book Musaeum Regalis Societatis; or, A catalogue and description of the natural and artificial rarities belonging to the Royal Society, and preserved at Gresham Colledge, by Nehemiah Grew (second printing: London, 1686). The Royal Society's