Rudimentary Treatise on the Construction of Locks

"Rudimentary Treatise on the Construction of Locks" by A. C. Hobbs is a scientific book from the 1800's that explains the complex world of locks, from their history to how they work. It starts with a preface that tells how a group of experts, like Professor Cowper and Mr. Hobbs, shared their knowledge to create the book. It explains why locks are important for security. The main purpose of the book is to carefully look at old and new locks, showing how important they are in both daily life and in business and to encourage readers to learn more about locks.