{"subtitle": "made August, 1882, and November, 1883, at the Watertown Arsenal, Mass.", "covers": [6904167], "last_modified": {"type": "/type/datetime", "value": "2011-08-31T15:49:30.946711"}, "latest_revision": 4, "key": "/works/OL438462W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL18564A"}}], "created": {"type": "/type/datetime", "value": "2009-10-28T16:42:56.333560"}, "title": "Mechanical tests of building material", "subjects": ["Building materials", "Testing"], "type": {"key": "/type/work"}, "revision": 4}