December 27, 2014 photo by Jill Brady/Staff photographer; historic 1909 photo courtesy of McArthur Library in Biddeford

A 1909 glass plate negative from the colleciton of Biddeford’s McArthur Library shows Thornton Hall and the original main building on the campus of Thornton Academy in Saco.

The historic photograph is a digital scan of a glass plate negative from the collection of McArthur Library in Biddeford. Find more photos at