▁Ton no idea ▁ ▁Category : C ym ati idae ▁Category : G ast rop ods ▁described ▁in ▁ 1 7 9 8 <0x0A> </s> ▁The ▁Wy re ▁Light ▁was ▁a ▁ ▁tall ▁iron ▁sc rew - p ile ▁l ighth ouse ▁mark ing ▁the ▁navigation ▁channel ▁to ▁the ▁town ▁of ▁Fle et wood , ▁Lanc ash ire , ▁England . ▁ ▁History ▁ ▁The ▁l ighth ouse ▁was ▁designed ▁by ▁Alexander ▁Mitchell , ▁an ▁Irish ▁engineer ▁who ▁developed ▁the ▁sc rew p ile ▁concept . ▁It ▁was ▁the ▁first ▁sc rew p ile ▁l ighth ouse ▁ever ▁to ▁be ▁lit . ▁Although ▁construction ▁of ▁the ▁Map lin ▁S ands ▁Light ▁on ▁the ▁northern ▁bank ▁of ▁the ▁Th ames ▁est u ary ▁had ▁started ▁before ▁Wy re ▁Light , ▁the ▁latter ▁was ▁completed ▁in ▁a ▁much ▁shorter ▁period ▁of ▁time . ▁These ▁lights ▁inspired ▁other ▁similar ▁constru ctions ▁such ▁as ▁the ▁Thomas ▁Point ▁Sho al ▁Light ▁in ▁the ▁United ▁States . ▁ ▁The ▁Wy re ▁Light ▁stood ▁ ▁off sh ore ▁on ▁the ▁' N orth ▁Wh arf ▁Bank ', ▁sand b anks ▁which ▁mark ▁the ▁' L une ▁Deep ' ▁and ▁the ▁navigation ▁channel ▁of ▁the ▁Wy re . ▁The ▁Wy re ▁Light ▁along ▁with ▁a ▁pair ▁of ▁on ▁shore ▁l ighth ouses , ▁the ▁Beach ▁L ighth ouse ▁and ▁the ▁Ph ar os ▁provided ▁a ▁navig ational ▁guide ▁to ▁sh ipping ▁entering ▁the ▁Wy re ▁est u ary . ▁ ▁The ▁Light ' s ▁base ▁consisted ▁of ▁seven ▁wr ought ▁iron