The inch is a subsidiary unit of length in the United States customary system, defined as 1/36 yard. Over the course of history, it has been defined in three different ways:
The inch is a subsidiary unit of length in the United States customary system, defined as 1/36 yard. Over the course of history, it has been defined in three different ways:
The inch is a subsidiary unit of length in the United States customary system, defined as 1/36 yard. Over the course of history, it has been defined in three different ways: