{"first_sentence": {"type": "/type/text", "value": "Flat gaskets for industry in the modern sense were invented by Austrian engineer Richard Klinger about 100 years ago, based on asbestos and rubber."}, "physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.9 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["CRC"], "number_of_pages": 612, "isbn_13": ["9780824798772"], "id": 11054447, "edition_name": "1 edition", "isbn_10": ["0824798775"], "publish_date": "November 19, 1997", "key": "/b/OL8160847M", "authors": [{"key": "/a/OL2880546A"}], "title": "Gaskets and Gasketed Joints", "type": {"key": "/type/edition"}, "subjects": ["Industrial Chemistry & Manufacturing Technologies", "Mechanical engineering", "Science/Mathematics", "Machine Design", "Technology", "Technology & Industrial Arts", "Engineering - Mechanical", "Machinery", "Mechanics - General", "Science / Mechanics", "Joints (Engineering)", "Gaskets"], "physical_dimensions": "9 x 6.1 x 1.3 inches", "revision": 1}