Keywords: Ericsson's Turret.png en Ericsson's Turret Illustration from Eardley-Wilmot The Development of Navies 1892 https //archive org/details/cu31924030751329 Capt Sydney Eardley-Wilmot RN other versions PD-old-70-1923 Uploaded with UploadWizard John Ericsson Naval gun turrets |