Scientists in New Atlantis

"These are (my son) the riches of Salomon's House. "For the several employments and offices of our fellows; we have twelve that sail into foreign countries, under the names of other nations, (for our own we conceal); who bring us the books, and abstracts, and patterns of experiments of all other parts. These we call Merchants of Light. "We have three that collect the experiments which are in all books. These we call Depredators. "We have three that collect the experiments of all mechanical...