Here she was a Ranger and was involved for six years with a village near Serampore, teaching hygiene and enabling villagers to construct wells.
Another outstanding contribution of the missionaries was the installation of India's first paper mill,in Bot Tala,set up by John Clark Marshman (the son of Joshua and Hannah Marshman) which was powered by a steam engine.
In February 2, 1814, Dr Nathaniel Wallich, a Dutch botanist, who had been captured in the siege of Serampore but later released, wrote a letter supporting the formation of a museum in Calcutta which he said should have two sections - an archaeological, ethnological and technical section and a geological and zoological one.
Later, he looks been influenced by other Christian evangelists like Helen Knott, General Adjutant Evalin, and Major Brett from East India Company—While working as a tutor in Parlakimedi, he sent a letter to Serampore-press, and through Roman Catholics who happened to know his letter, he was directed to Helen Knott, who gave Gospel of Luke and two tracts—In May 1833, he went to Vizagapatnam to meet missionaries, then-overseen by Major Brett.