301366
Photograph 301366 Period 1920-19291920. STARBOARD SIDE VIEW OF HMA SUBMARINE J4. NOTE THE 4 1NCH GUN IN ITS REVOLVING SHIELD ON THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

The Australian War Memorial Collection. Test site
1920. PORT BOW VIEW OF HMA SUBMARINE J5. NOTE THE 4 1NCH GUN IN ITS REVOLVING SHIELD ON THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)
1920. STARBOARD SIDE VIEW OF HMA SUBMARINE J4. NOTE THE 4 1NCH GUN IN ITS REVOLVING SHIELD ON THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

C.1920. STARBOARD SIDE VIEW OF HMA SUBMARINE J2. NOTE THE 4 1NCH GUN IN ITS REVOLVING SHIELD ON THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

PORT BOW VIEW OF HMA SUBMARINE AE2. NOTE THE EXTENDED PERISCOPE ON THE FORWARD PART OF THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

PORT BOW VIEW OF HM SUBMARINE TAKU. NOTE THE 4 INCH MARK XII GUN ON AN SI MOUNTING FITTED BEFORE THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

PORT BOW VIEW OF THE SUBMARINE HM SEALION BEING WELCOMED BACK FROM A PATROL. NOTE THE 3 INCH MARK I GUN ON A CP MARK V MOUNTING FORWARD OF THE CONNING TOWER. (NAVAL HISTORICAL COLLECTION)

1954-08. STARBOARD BOW VIEW OF THE SUBMARINE HMS THOROUGH. SHE RETAINS HER 4 INCH GUN MOUNTED IN THE CONNING TOWER AND THE EXTERNAL 21 INCH TORPEDO TUBES IN THE BOW AND ABAFT THE CONNING TOWER. (NAVAL
