Discover the ultimate guide for heating, air conditioning, and refrigeration enthusiasts with Johnson's New Handy Manual 1940. This antiquarian and collectible hardcover book by John W. Johnson is packed with valuable information and insights on the topic of plumbing, making it a must-have for every DIY home repair expert.

With a focus on practical solutions and easy-to-follow instructions, this book is the perfect companion for anyone looking to enhance their knowledge of mechanical refrigeration and AC systems. Whether you’re a seasoned professional or a curious beginner, this book is sure to provide you with the guidance and expertise you need to tackle any project with confidence.