John Hanning Speke of the way. Once Speke and Burton were back on the coast they went by ship to Zanzibar and then traveled to Aden. When back at the coast Burton had written a letter to Norton Shaw of the Royal Geographical Society (which had partially sponsored the journey) in which Burton enclosed a map of Lake Victoria made by Speke and wrote "there are grave reasons for believing it (the map) to be the source of the principal feeder of the White Nile." Once in Aden, Burton was not granted a medical certificate to travel and thus Speke left on HMS
PS Speke PS Speke PS "Speke" was a British stern wheel paddle steamer in Uganda. She was built for the Uganda Railway in 1910 to operate on Lake Kyoga and the Victoria Nile. First and second class passengers travelled aboard the steamer but she also pushed a barge or lighter on which cargo and third class passengers travelled. "Speke" was bought initially to operate part of what eventually became a rail, ship and road route between the Uganda Railway and Lake Albert. The first stage of this route was the Busoga Railway between Jinja and Lake Kyoga. The original lakeside terminus for