Today an unsend postcard arrived from France with the intersting detail of the deck grills in cleaning in front of the french Torpedoboat ARC arround 1905 - it does look helpfull:
...also the wobbling gangway is interesting for me.
The rivets on the propellers' protection (towards the hull) aren't visiable - so they do not give any shadow and must have been from a flat topside type aliningvwith the surrounding part, weren't they?