A flue is the void through which smoke, fumes and gaseous discharges pass, not the pipe or structure forming the void. The pipe is referred to as a flue pipe and a chimney is that part of the structure of a building which forms a flue. For example, the space within a brick-built chimney is the flue. Most heat-producing appliances must be connected to a flue, in the form of either a chimney or a flue pipe. Unflued appliances can lead to condensation trouble, but some oil-burning and gas appliances are designed to operate without being connected to any kind of flue. Some gas appliances do not connect directly to a flue, for example, a gas cooker.
At the request of several families he and Mrs Legge gave a home for some months to a young Dutch girl, a granddaughter of the first Dutch governor of the Straits Settlements. She had several pearls of which the Dutch residents were great collectors, got from oysters found in a river of the Malay Peninsula, when she left them she gave Mrs Legge a small box containing a large pearl the size of a pea, with a blue spot on it, and two others not so large. This box was then put away and locked up. Several weeks later he took it out and on opening it discovered more than a dozen pearls, most of them very small. Astonished at the phenomenon he called his chief servant, a Portuguese, who happened to enter the room and who expressed no surprise but declared it to be a common occurrence. On enquiry he found that many of the Dutch people had jars of pearls, large and small, which had accumulated in this way. Some years later he related the incident at dinner on board ship. The captain was a cautio
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