{"type": {"key": "/type/edition"}, "title": "The Railroad Signal Dictionary", "authors": [{"key": "/authors/OL904271A"}], "publish_date": "Oct 10, 2018", "source_records": ["amazon:0342230670"], "number_of_pages": 552, "publishers": ["Franklin Classics"], "isbn_10": ["0342230670"], "isbn_13": ["9780342230679"], "physical_format": "hardcover", "full_title": "The Railroad Signal Dictionary An Illustrated Vocabulary of Terms Which Designate American Railroad Signals, Their Parts, Attachments, and Details of ... Some Illustrations of British Signals and Pr", "subtitle": "An Illustrated Vocabulary of Terms Which Designate American Railroad Signals, Their Parts, Attachments, and Details of ... Some Illustrations of British Signals and Pr", "notes": {"type": "/type/text", "value": "Source title: The Railroad Signal Dictionary: An Illustrated Vocabulary of Terms Which Designate American Railroad Signals, Their Parts, Attachments, and Details of ... Some Illustrations of British Signals and Pr"}, "covers": [11186437], "works": [{"key": "/works/OL24545283W"}], "key": "/books/OL32537436M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2021-05-29T22:57:18.836656"}, "last_modified": {"type": "/type/datetime", "value": "2024-05-08T03:25:42.167320"}}