Cow placenta Size:S: 30 x 25cm Christopher Bowen as Mordred crosses

Christopher Bowen as Mordred crosses swords with Sylvester McCoy as the Doctor along with Jean Marsh as Morgaine whilst on location filming for the Dr Who story Battlefield

and Wilhelm I of Prussia to his right

pictured after Coronation

could not produce a force to fight Britain

Cow placenta Size:S: 30 x 25cm Christopher Bowen as Mordred crossesPlate 48 figure 1 from the paper 'On the placenta', by Everard Home, Philosophical Transactions of the Royal Society, vol. 112 (1822), pp. 401 407. View of 'the uterine portion of the cotyledon of the cow.' With publication and plate details inscribed. Original: watercolour on paper. 1822