George Strong reports on British morale and Length of war

Brigadier General George B Strong, an American officer, observed the first ten days of the Londonderry Blitzkrieg. His report indicates that British morale is strengthening rather than weakening. He believes that a quick peace is unlikely, predicting a prolonged war that may extend into the following year or beyond. The report also highlights the opportunity to witness the bombing that began on September 7.

What timeframe does Strong indicate for the war's resolution?

When did the bombing that Strong witnessed begin?