Brass telescoping percussion hammer with leather case

This is a vintage medical percussion hammer, likely from the mid-20th century. Physicians used these diagnostic tools to test reflexes and assess neurological function by tapping on specific parts of the body. The telescoping design made it portable and convenient for house calls or hospital rounds. Percussion hammers are highly valued by medical antique collectors and medical professionals with an interest in the history of their profession. The telescoping brass design represents a practical innovation in medical instrumentation, combining functionality with portability. Medical instrument collectors particularly appreciate examples that come with their original leather cases, as they provide insight into the careful storage and transportation of these precision tools.