Calx carbonata Northallerton a hillclimb in 1929 driving

a hillclimb in 1929 driving a Mercedes and came first in his class

pictured visiting his German Regiment the First Dragoon Guards on his visit to Berlin

In the distance is a ridge upon which a temporary astronomical observatory stands grouped around an existing small church tower

King Edward III is clad in armour and holding a spear in his left hand

Calx carbonata Northallerton a hillclimb in 1929 drivingSpecimen of calcium carbonate crystal, here termed 'crystallized carbonate of lime', showing optical effects. Plate 35 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R. Taylor & Co., 1804). The accompanying text states that 'This fine yellowish crystal shows at the apex three polished faces the double refraction is seen, when held in certain directions, by the