In the July 13, 1958 Norwich Bulletin was an article written by Mrs. Albert H. Chase discussing the gift of thirteen account books of John Bliss given to the Society of the Founders of Norwich, CT by Miss Edith Bliss. The books currently reside in the collections vault of the Leffingwell House Museum.
The extensive article discusses the contents of the account books in wonderful detail. Mrs. Chase quotes Miss Perkins in her Old Houses of Norwich about a model of a bridge designed by John Bliss and known as the “Geometry Bridge.” Mrs. Chase even tells where to find another newspaper article in the June 20, 1764 edition which included some amazing details we do not see in articles today. “ Leffingwell’s bridge over the Shetucket river at Norwich Landing is completed. It is 124 feet in length, and 28 feet above the water. Nothing is placed between the abutments, but the bridge is supported bt Geometry work above, and calculated to bear a weight of 500 tons. The work is by Mr. John Bliss, one of the most curious mechanics of the age. The bridge was raised in two days, and no one was hurt. The former bridge was 28 days in the raising.”
A model of the geometry bridge can be seen by special request at the Faith Trumbull Chapter House of the Daughters of the American Revolution on Rockwell Street.
Don’t you think it would be an amazing exhibit to see the account book and the model together on display? Of course that would mean two local history organizations would have to work together in possibly a third neutral location. Also the account books portion detailing the bridge expenses and calculations would have to be transcribed to modern font from the beautiful flowing handwritten script. Perhaps a member or a few of the Norwich Historical Society could be entrusted with this? Or a member of the Society of the Founders? Or one of the myriad of history teachers, experts or consultants could supervise some students in the handling and transcription of a primary source document. This has the potential of the perfect teachable moment; the bringing to light a new, untapped and unexploited primary source document. The stuff of an historian’s dreams!
Perhaps with sufficient time one of the technology programs could duplicate the “Geometry Bridge” or build a model of the same approximate scale of the modern bridge at Laurel Hill which now spans the Shetucket River at that location.
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