1. Man shown measuring digit of finger, from .72 to .75 inches. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
2. Man in ancient times measuring on a table the breadth of his finger. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
3. King Edward II decreed that three barley corns placed end-to-end equaled one inch and a foot was equivalent to 12 inches (or a man's foot). Collection: Early 20th Century Engineering Lantern Slides Date: 1324 Format: Image Agent: unknown