01370nam 2200349Ia 450 99638632570331620221103135439.0(CKB)4940000000082808(EEBO)2240874649(OCoLC)17812031(EXLCZ)99494000000008280819880419d1655 uy |engurbn||||a|bb|Speculum nauticum[electronic resource] =A looking glasse for sea-men : wherein they may behold a small instrument called the plain scale, whereby all questions nauticall, and propositions astronomicall are very easily and demonstratively wrought : published for the use and benefit of such as will make good use of it /by John Aspley ..The fift[sic] edition corrected.London Printed by Thomas Harper, and are to be sold by George Hurlock ...1655[8], 61 p. chartsReproduction of original in the Huntington Library.eebo-0113Nautical astronomyEarly works to 1800Nautical instrumentsEarly works to 1800Nautical astronomyNautical instrumentsAspley John791441EAIEAIWaOLNBOOK996386325703316Speculum nauticum1768918UNISA