▁known ▁na ut ical ▁chart ▁with ▁a ▁scale ▁of ▁lat itudes . ▁▁ 1 5 1 9 ▁: ▁Portuguese ▁cart ograph ers ▁L opo ▁Hom em , ▁Pedro ▁Rein el ▁and ▁Jorge ▁Rein el ▁made ▁the ▁group ▁of ▁maps ▁known ▁today ▁as ▁the ▁Miller ▁Atlas ▁or ▁L opo ▁Hom em ▁– ▁Re iné is ▁Atlas . ▁▁ 1 5 3 0 : ▁Al on zo ▁de ▁Santa ▁Cruz , ▁Spanish ▁cart ograph er , ▁produced ▁the ▁first ▁map ▁of ▁magnetic ▁variations ▁from ▁true ▁north . ▁He ▁believed ▁it ▁would ▁be ▁of ▁use ▁in ▁finding ▁the ▁correct ▁longitude . ▁Santa ▁Cruz ▁also ▁designed ▁new ▁na ut ical ▁instruments , ▁and ▁was ▁interested ▁in ▁navig ational ▁methods . ▁ ▁P adr ón ▁Real ▁of ▁the ▁Spanish ▁Empire ▁ ▁The ▁Spanish ▁House ▁of ▁Trade , ▁founded ▁ 1 5 0 4 ▁in ▁Se ville , ▁had ▁a ▁large ▁cont ing ent ▁of ▁cart ograph ers , ▁as ▁Spain ' s ▁over se as ▁emp ire ▁expanded . ▁The ▁master ▁map ▁or ▁P adr ón ▁Real ▁was ▁mand ated ▁by ▁the ▁Spanish ▁monarch ▁in ▁ 1 5 0 8 ▁and ▁updated ▁subsequently ▁as ▁more ▁information ▁became ▁available ▁with ▁each ▁ship ▁returning ▁to ▁Se ville . ▁ ▁Di ogo ▁R ibe iro , ▁a ▁Portuguese ▁cart ograph er ▁working ▁for ▁Spain , ▁made ▁what ▁is ▁considered ▁the ▁first ▁scientific ▁world ▁map : ▁the ▁ 1 5 2 7 ▁P adr ón ▁real . ▁The ▁layout ▁of ▁the ▁map ▁( Map am und i ) ▁is ▁strongly ▁influenced ▁by