Plan of San Ambrogio, 1000–1200
This is a plan of the church of San Ambrogio, Italy. This is an example of Italian Lombard Romanesque architecture. This church represents the “earliest [example] of the solution of the great problem which was exercising the minds of the church builders towards the end of the 11th century, the vaulting of the nave.” The scale is in feet.
Encyclopaedia Britannica (11th ed.) (New York, NY: The Encyclopaedia Britannica Company, 1910)