Essays on the MicroscopeNote 19 — CHAP. I. A CONCISE HISTORY OF THE INVENTION AND IMPROVEMENTS WHICH HAVE BEEN MADE UPON THE INSTRUMENT CALLED A MICROSCOPE.Reading editionDr. Hill on the Construction of Timber.◇Copy noteReturn to CHAP. I. A CONCISE HISTORY OF THE INVENTION AND IMPROVEMENTS WHICH HAVE BEEN MADE UPON THE INSTRUMENT CALLED A MICROSCOPE.