What Led To The Discovery of the Source Of The Nile

It was in the year 1849 at the expiration of the Punjaub campaign under Lord Gough where I had been actively engaged as a subaltern officer in the (so-called) fighting brigade of General Sir Colin Campbell¿s division of the army adding my mite to the four successive victorious actions¿Ramnugger Sadoolapore Chillianwallah and Guzerat¿that I first conceived the idea of exploring Central Equatorial Africa.