Exodus 28:16 Foursquare it shall be being doubled; a span shall be the length thereof, and a span shall be the breadth thereof. Torrey's Topical Textbook
Exodus 39:9 It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled. Torrey's Topical Textbook
Library
A Discourse ... to the immediate interposition of the Most High, as in ... four rows of precious stones upon Aaron's breastplate when he ... Christ is a priest to save, a prophet to ... /.../bunyan/the works of john bunyan volumes 1-3/a discourse.htm