{"type": {"key": "/type/work"}, "title": "Safford round water boilers 1909 for warming private and public buildings, cottages, etc", "subjects": ["Hot water heating", "Boilers", "Industries"], "subject_places": ["Ontario", "Toronto"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL9412749A"}}], "covers": [11919740], "key": "/works/OL24982007W", "latest_revision": 1, "revision": 1, "created": {"type": "/type/datetime", "value": "2021-09-07T00:13:47.371649"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-07T00:13:47.371649"}}