Lloyd's Register of British and Foreign Shipping [1890]

Everything there is to know about the maritime world of 1890 in a single, huge, two-volume edition.
Extractive summary (three most statistically significant sentences):
This Book contains the Names, Classes, and detailed information concerning the Vessels classed by Lloyd's Register and the late Underwriters' Registry for Iron Vessels; and in addition the Names, Dimensions, and other particulars of all Vessels of 100 tons and upwards registered in the United Kingdom, and of many ships of large tonnage owned abroad.
UNIVERSAL REGISTER, issued annually on the 1st of April.
The book contains, in addition to the Names, Classes, and other useful information relating to Yachts classed by the Society, the Names, Dimensions, &c., of all British and Foreign Yachts, the particulars of which are known; also, in an Appendix, a List of the various Yacht Clubs and Illstrations of their respective Flags, an Illustrated List of the Racing Flags of Yachts, an Index of Signal Letters, a List of Yachts the names of which have been changed, a List of Yachts arranged according to Tonnage, an Alphabetical List of the Names and Addresses of Yacht Owners so far as they can be ascertained, and a List of Yacht Builders and Designers showing the Yachts which they have respectively built and designed, besides Statistical and other interesting information.
From the Publisher's Note:
For maritime historians and shipping enthusiasts, the Register offers factual, detailed information about the vessels that were once integral to global trade and exploration. Each entry includes specifications about construction, machinery, tonnage, and ownership, thus serving as a reliable reference point for research and historical study. This contemporaneous primary source material was verified by Lloyd's. The Lloyd's Register Foundation Heritage & Education Centre has an excellent set of online guides to using these documents on its website under Archive & Library > Interpreting the Register Books.For engineers and industrial designers, this book provides a glimpse into the state of technology and mechanical design at the end of the 19th century. The wide range of vessels describes encompasses every aspect of the naval engineering of the era, offering a chance to understand the technological advances of the period.Writers for readers of historical fiction may find inspiration within these pages. These records can serve as a factual foundation for constructing narratives set in this time period. There is no substitute for getting the details right.*
Students of genealogy may find the ship descriptions illuminate their ancestors' voyages.For the book collector or those with a fondness for historical artifacts, this facsimile edition offers a tangible connection to the past. As a meticulous record of a specific year in maritime history, it's an interesting piece of our collective heritage. As a very large and very thick book full of proper nouns and unexpected details, it amply repays casual browsing.Lloyd's Register not just a catalogue of facts and figures. It's a window into a world that has shaped our own, making it a noteworthy addition to the libraries of anyone keen to explore the maritime past.
*It goes without saying that time travelers will find this a crucial tool for planning and coordinating trips into the Victorian Era.