Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Friherre Nils Ericson (31 January 1802 – 8 September 1870) was a Swedish inventor and mechanical engineer, like his brother, John Ericsson. In 1823 he joined the Engineering corps of the Swedish Army as a second lieutenant, but in 1830 he transferred to the Mechanics corps of the Royal Navy where he, in 1850, had advanced to the rank of colonel. Between 1830 and 1850 Nils Ericson planned and directed the construction of the canals at Stallbacka, Saffle, Karlstad and Albrektsund. He also led the construction of the Saima canal in Finland and the reconstruction of the canal at Trollhattan and the floodgate at Stockholm.

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