An interesting feature of those houses was called a widows walk. The platform built on the roofs where the first sight of an inbound ship might be seen was aptly named. There was, and still is, risk in putting your investments in distant places. If your ship came in, you were, in effect, wealthy because the returns on investment were substantial. Lloyds of London made a good return on the reality that many ships did not return. The same is a maritime truth today. Rogue waves were hearsay because few eye witnesses returned to report on them.