2 0 1 2 , ▁ 2 7 6 ▁pp ) ▁Claud ia ▁Sw an , ▁and ▁Ke es ▁Z and v li et . Z and v li et , ▁Ke es : ▁M apping ▁the ▁Dutch ▁World ▁O verse as ▁in ▁the ▁Se vent e enth ▁Century , ▁( Part ▁ 2 : ▁Low ▁Count ries ), ▁pp . ▁ 1 4 3 3 – 1 4 6 2 , ▁David ▁Wood ward ▁ed . ▁( Ch icago : ▁University ▁of ▁Chicago ▁Press , ▁ 2 0 0 7 ) ▁ ▁Fland ers , ▁H abs burg ▁Netherlands ▁ ▁Mer c ator ▁projection ▁and ▁the ▁concept ▁of ▁at las ▁ ▁Ger ard us ▁Mer c ator , ▁the ▁German - N ether land ish ▁cart ograph er ▁and ▁ge ograph er ▁with ▁a ▁vast ▁output ▁of ▁wall ▁maps , ▁bound ▁maps , ▁glob es ▁and ▁scientific ▁instruments ▁but ▁his ▁greatest ▁legacy ▁was ▁the ▁mathematical ▁projection ▁he ▁de vised ▁for ▁his ▁ 1 5 6 9 ▁world ▁map . ▁ ▁The ▁Mer c ator ▁projection ▁is ▁an ▁example ▁of ▁a ▁cyl ind rical ▁projection ▁in ▁which ▁the ▁mer id ians ▁are ▁straight ▁and ▁per pend icular ▁to ▁the ▁par alle ls . ▁As ▁a ▁result , ▁the ▁map ▁has ▁a ▁constant ▁width ▁and ▁the ▁par alle ls ▁are ▁stretch ed ▁east – west ▁as ▁the ▁pol es ▁are ▁approached . ▁Mer c ator ' s ▁insight ▁was ▁to ▁stretch ▁the ▁separation ▁of ▁the ▁par alle ls ▁in ▁a ▁way ▁which ▁exactly ▁compens