this unsatisfactory episode in the long struggle I had maintained to induce the British Government to avail themselves of the immense advantages which my invention offered.

In closing this portion of my history, I have the satisfaction of feeling that I have done my duty to my country, untainted by personal and selfish motives; and in this hard struggle I have had the satisfaction of seeing the survival of the fittest successfully demonstrated by the universal acceptance of mild cast steel for the construction of ordnance.