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![[Second experiment with board trusses, after it had been broken, and the boards removed from the sides to show the places of fracture]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjMvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1hbmQtdGhlLWJvYXJkcy0yYTE2OTUtMTAyNC5qcGc%3D/320/248/jpg "[Second experiment with board trusses, after it had been broken, and the boards removed from the sides to show the places of fracture]")
![[Great Lakes Engineering Works, Ecorse, Mich.]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDYvMDEvMDEvZ3JlYXQtbGFrZXMtZW5naW5lZXJpbmctd29ya3MtZWNvcnNlLW1pY2gtMjMtNjQwLmpwZw%3D%3D/40/32/webp "[Great Lakes Engineering Works, Ecorse, Mich.]")
![[Second experiment with board trusses, after it had been broken, and the boards removed from the sides to show the places of fracture]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjMvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1hbmQtdGhlLWJvYXJkcy03NzA0ODMtNjQwLmpwZw%3D%3D/40/31/webp "[Second experiment with board trusses, after it had been broken, and the boards removed from the sides to show the places of fracture]")
![[Second experiment with board trusses, after it had been broken down]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMTQvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1kb3duLTBkZmE0OC02NDAuanBn/40/30/webp "[Second experiment with board trusses, after it had been broken down]")
![[Second experiment with board trusses, after it had been broken down]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMTQvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1kb3duLTk1ZTI1My02NDAuanBn/40/30/webp "[Second experiment with board trusses, after it had been broken down]")
![[Second experiment with board trusses, after it had been broken down with railroad tracks]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDMvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1kb3duLXdpdGgtcmFpbHJvYWQtMDYzZWYyLTY0MC5qcGc%3D/40/31/webp "[Second experiment with board trusses, after it had been broken down with railroad tracks]")
![[Second experiment with board trusses, after it had been broken down with railroad tracks]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMTAvMDMvc2Vjb25kLWV4cGVyaW1lbnQtd2l0aC1ib2FyZC10cnVzc2VzLWFmdGVyLWl0LWhhZC1iZWVuLWJyb2tlbi1kb3duLXdpdGgtcmFpbHJvYWQtYjIzY2ViLTY0MC5qcGc%3D/40/30/webp "[Second experiment with board trusses, after it had been broken down with railroad tracks]")
![[Third series of experiments with board trusses-shows the west end of the bridge, after the experiments had been completed and the vertical boards removed to show the results]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzIwMTkvMDkvMjEvdGhpcmQtc2VyaWVzLW9mLWV4cGVyaW1lbnRzLXdpdGgtYm9hcmQtdHJ1c3Nlcy1zaG93cy10aGUtd2VzdC1lbmQtb2YtdGhlLWJyaWRnZS1iOWU5NTktNjQwLmpwZw%3D%3D/40/31/webp "[Third series of experiments with board trusses-shows the west end of the bridge, after the experiments had been completed and the vertical boards removed to show the results]")
