The Bell Rock, his
father's great triumph, was finished before he was born; but he
served under his brother Alan in the building of Skerryvore, the
noblest of all extant deep-sea lights; and, in conjunction with his
brother David, he added two - the Chickens and Dhu Heartach - to
that small number of man's extreme outposts in the ocean. Of shore
lights, the two brothers last named erected no fewer than twenty-
seven; of beacons, (4) about twenty-five. Many harbours were
successfully carried out: one, the harbour of Wick, the chief
disaster of my father's life, was a failure; the sea proved too
strong for man's arts; and after expedients hitherto unthought of,
and on a scale hyper-cyclopean, the work must be deserted, and now
stands a ruin in that bleak, God-forsaken bay, ten miles from John-
o'-Groat's. In the improvement of rivers the brothers were
likewise in a large way of practice over both England and Scotland,
nor had any British engineer anything approaching their experience.
It was about this nucleus of his professional labours that all my
father's scientific inquiries and inventions centred; these
proceeded from, and acted back upon, his daily business. Thus it
was as a harbour engineer that he became interested in the
propagation and reduction of waves; a difficult subject in regard
to which he has left behind him much suggestive matter and some
valuable approximate results.
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