reconquered the heterogeneous dimensions of the milieu  
intérieur  at exactly the same time that Rimbaud and Baudelaire 
shifted poetry to the paysage intérieur . But for three centuries 
before this the arts and sciences were engaged in the conquest 
of the milieu extérieur  by means of new visual quantity and 
homogeneity derived especially from the printed word. And it 
was print that enabled letters and numbers to go their 
specialist and divergent ways to the confusion of arts and 
sciences ever since. But at the start, writes Professor Nef in his 
Cultural Foundations of Industrial Civilization  (p. 21).

     The novel desire, which was then arising, to see 
     nature, including animal and human bodies, as they 
     appear directly to man’s senses, was of much help to 
     science. The researches of a few great Renaissance 
     artists, who were almost universal men in the range of