The porthole is from a sunken oil tanker ,the bell I found in a part of Halifax Harbor known at the North West Arm . Now it is the home of the area's wealthy, but 100 years ago it had a different uses, rowing clubs and small business like a marine scrapyard there is no sign of it on shore, but underwater there are still remains like that little bell, a few nice bottles and some neat old ship's deadeyes . It was a favorite fall and winter divesite ...