Possible Clues:

• Where there's scope for a snapper to develop?
• Director guarantees flood insurance in the house for pictures
• Film seen here as ship runs into catastrophe?
• Secret cellar, say, in photographer's place?
• Place for developments? (2 words)
• Place to process film
• Where one may eventually get to see an old film?
• Place to develop film
• Development happens here when ship enters dead space
• Developing situation as ship runs into catastrophe