00969nlm 2200265Ia 450 99640834920331620210323124338.019831109d1647---- uy |engGBdrcnuSpeculum nauticuma looking glasse for sea-menwherein they may behold a small instrument called the plain scale whereby all questions nautical and propositions astronomical are very easily and demonstratively wrought ...by Iohn Aspley4. ed. correctedLondonPrinted by Thomas Harper and are to be sold by George Hurlock1647Testo elettronico (PDF) ([6], 61 p.)ill.Base dati testualeReproduction of original in the British Library.623.89ASPLEY,John791441cbaITcbaREICAT996408349203316EBERSpeculum nauticum1768918UNISA