Manuscripts/Mixed Material Notes by Alexander Graham Bell, December 9, 1907
for when we came up we found him in free water swimming round in a circle waiting for relief. We seemed to be so long in coming that he was about to support himself on one of the submerged floats which of course had considerable buoyancy although in a leaky condition, when he heard the noise of our engine and knew that relief was near. He therefore continued swimming until we appeared upon the scene.
Thus ended an eventful day.
Although the “Cygnet” has been so badly damaged that it is not worth while attempting repairs, she has fulfilled her function and has demonstrated the important fact that the Tetrahedral system can be utilized in structures intended for aerial locomotion.
In order to make the structure abundantly strong enough for the support of a man in the air she had been loaded with strengthening material to an unnecessary extent so that with Lieut. Selfridge on board she actually carried up in a 25 mile win