"In circumstances where I have the opportunity to compare a well presented, old lithographic drawing of a specimen with an equivalent photograph, I have found that, contrary to popular opinion, the drawing can be superior ... [A] drawing is a complex synthesis of information, which embodies a hierarchy of decisions.
"In situations where I have the chance to compare a well-presented, old lithographic drawing of a specimen with an equivalent photograph, I've found that, contrary to popular opinion, the drawing can be superior ... A drawing is a multifaceted representation of information, which involves a sequence of deliberate decisions.