From publisher blurb:
The Cabinet of Curiosities is a collection of magic, technology, combat techniques, and other items of interest for use with the Clockwork Roleplaying Game.
Those seeking mystical knowledge will find more spells, magical traditions, a guide to astral travel, and the dark art of sorcery. Technophiles will discover more weapons, rules for vehicular combat, mechanical marvels, new functions for item creation, and a history of both the most amazing inventions of the century and the prodigies and madmen who created them. Every fine gentleman and lady will find more character options, expanded conflict rules, and new ways to adventure in the Clockwork.