Reed water tube boiler straight tubes through which water and steam circulated more freely, it was considered by some contemporary writers on the subject such as Leslie S. Robertson as "behind" in its circulation because of the absence of down-comers. Whereas the Yarrow boilers fitted to the armoured cruiser of 1905 evaporated 11.664 pounds (5.291 kg) of water per pound (454 g) of coal at 100 degrees centigrade (212 degrees Fahrenheit) with natural draught, by the same measure a Reed boiler as fitted to the torpedo boat destroyer of 1896 evaporated 12 pounds (5.44 kg). An advantage of the Yarrow boiler was in weight:
Under the Red Sea Sun Under the Red Sea Sun Under the Red Sea Sun (New York: Dodd, Mead & Company, 1946) is a book by Edward Ellsberg describing salvage operations of the many ships scuttled by the Italians to block the port of Massawa on the Red Sea coast of Eritrea during World War II. Massawa's excellent harbor was vital first to the Italian then to the British war effort. Ellsberg, a skilled writer, described how a small group of workers under his direction accomplished an almost Herculean task with virtually no resources. Much of the story is an entertaining account of the bureaucratic