Bow turrets of Takao about 1932

A close up of Turret II and III on Ashigara in May 1937
Note the thin sheeting on top of the turrets, the rangefinder and the antenna mast
Photograph copyrighted by Real Photographs Ltd., Albert Road, Southsea, UK

Forward turrets of Heavy Cruiser IJN Aoba
Aoba was sunk at Kure Harbor during an air raid in July 1945
U.S. Naval Historical Center Photograph # NH 97738

Bow of Heavy Cruiser Chokai
U.S. Naval Historical Center Photograph # NH 82080

Sketch from "US Naval Technical Mission to Japan report O-47(N)-1:  Japanese Naval Guns and Mounts-Article 1, Mounts Under 18"