This book describes how to make two vertical and two horizontal copper boilers with a capacity of less than three bar litres. With over 285 colour photographs and diagrams it includes the tools and equipment required together with important safety considerations; how to work the various materials to make the necessary parts; step-by-step instructions on the technique of silver soldering; the testing regime; a review of various sizes and shapes of gas burners and how to connect them. Finally there is guidance on the efficient operation and essential maintenance of steam boilers together with safety calculations and a list of useful contacts.