Quarantine Edinburgh and Leith, grain was from that date declared to be a non-susceptible article. About 1788 an order of the council required every ship liable to quarantine, in case of meeting any vessel at sea, or within four leagues of the coast of Great Britain or Ireland, to hoist a yellow flag in the daytime and show a light at the main topmast head at night, under a penalty of After 1800, ships from plague-countries (or with foul bills) were enabled to perform their quarantine on arrival in the Medway instead of taking a Mediterranean port on the way for
Götheborg (ship) largest of all the SOIC vessels and it made three journeys to Canton: 2February 1788–13May 1790, 13November 1791–12June 1793, and on 5December 1795, the ship sailed for Canton but was lost at Cape Town on 8March 1796, on the way out from Gothenburg. The East Indiaman "Götheborg" is classified as a passenger ship sailing under the ordinary Swedish flag. But when in port, the ship is entitled to fly the old swallowtailed version of the flag, the SOIC flag ("Svenska Ostindiska Companiet", "Swedish East India Company"), that the original vessel sailed under. The flag used on Swedish boats is the