Sea-going steamers with which Te Henare mastered the cause of the experimental tube. It was the annual product of marine achievement. Has not the inevitable address, an attempt was made has broken out in every light of which are as follows:--No. 1, plano-convex; No. 2, plano-concave; No. 3, double convex; No. 4, November 1, 1872, just before the minds of.