The life of Isambard Kingdom Brunel, Civil EngineerNote 138 — Chapter X · STEAM NAVIGATION. INTRODUCTION OF THE SCREW PROPELLER INTO THE ROYAL NAVY. A.D. 1841—1844. ÆTATIS 36—39.Reading editionBourne, Appendix, p. xxxiii.◇Copy noteReturn to CHAPTER X. STEAM NAVIGATION. INTRODUCTION OF THE SCREW PROPELLER INTO THE ROYAL NAVY. A.D. 1841—1844. ÆTATIS 36—39.