' The secret of Harriot's accuracy ' (1973)

摘要

" Johannes A. Lohne, who has studied Harriot's optical papers more than any other and who has attempted to duplicate many of his experiments, expressed his admiration for Harriot's methods as follows : 'What was the secret of Harriot's accuracy ? Certainly not in any superiority of his measuring instruments, for though he had a deep familiarity with the Great Optics, where Alhazen in the seventh book described in detail an organum refractionis, Harriot himself preferred to employ simple measuring rods and graduated bronze disks.