The Famous Blind Engineer of Belfast. 27 



The following is an approximate list ot the works done by 

 Alexander Mitchell : — 



1833 — Experimental trials of screw mooring. 



1838 — Maplin Sands Lighthouse, Essex. 



1839 — Fleetwood Lighthouse. 



1842 — Kish Bank Lighthouse, Dublin. 



1843 — Beacon in same place. 



1844 — Belfast Lighthouse. 



1845 — Margate Beacon (Tongue Sands; and two beacons at 

 Wexford. 



1847 — Courtown Pier, Gorey, Wexford 

 — Teignmouth moorings, Devon. 



1848 — Two Lighthouses in Dundalk Bay 



1850 — Sheerness Lighthouse, Kent, on Chapman Sands. 



185 1 — Queenstown Lighthouse begun, finished April, 1852. 



1852 — Gunfleet Sand Lighthouse, Essex. 



1854 — Morcambe Bay Lighthouse. 



1862 — Seven Moorings at Kingstown, Dublin. 



1863 — Portsmouth Admiralty applied for more moorings for 

 buoys 



1864 — Six moorings at Teignmouth, Devon. 

 — Three moorings at Kingstown, Dublin. 



On the 22nd February, 1848, a paper by Mitchell on "Sub- 

 marine Foundations " was read before the Institute of Civil 

 Engineers, in London. 



On the 20th of June, 1848, Mitchell was informed that he had 

 been advanced from an associate to be a member of the Institution 

 of Civil Engineers, and the Telford Medal was sent to him. It is 

 a delicately finished silver medal, 



Later in the year he went to Soldier's Point, Dundalk, to build 

 two lighthouses in the harbour, and remained there with his family 

 until the work was finished in 1849. 



In 1850, Mitchell wrote a paper for the Literary Society on 

 "Forest Trees," which was read there on the 21st of January, and 

 an abstract of it published in The Banner of Ulster. There was 

 generally a discussion after a paper had been read, and this Society 



