"Nautical astronomy." . . . . "Nautical astronomy Early works to 1800." . . "Speculum nauticum ; a lookingglasse for seamen"@en . . . . . . . . . . . . . . "Speculum Nauticum: A Looking Glasse, For Sea-Men: Where-in They May behold a small instrument called the Plaine Scale: whereby all questions Nauticall, and propositions Astronomicall are very easily ... wrought"@en . . "Speculum nauticum: a looking glasse, for sea-men: wherein they may behold a small instrument called the plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily ... wrought, etc" . "Speculum Nauticum = A Looking-Glass For Sea-Men ; Wherein they may behold, how by a small Instrument, called the Plain Scale, all Nautical Questions, and Astronomical Propositions, are very easily and demonstratively performed .̤" . . . . "Speculum Nauticum A Looking-Glass For Sea-Men ; Wherein they may behold, how by a small Instrument, called the Plain Scale, all Nautical Questions, and Astronomical Propositions, are very easily and demonstratively performed .̤"@en . "Speculum Nauticum A Looking-Glass For Sea-Men ; Wherein they may behold, how by a small Instrument, called the Plain Scale, all Nautical Questions, and Astronomical Propositions, are very easily and demonstratively performed .̤" . . . "Looking glass for sea-men" . . . . . . "Speculum nauticum. A looking-glass for sea-men. Wherein they may behold, how by a small instrument, called the plain-scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed"@en . . "Speculum nauticum a looking glasse, for sea-men: wherein they may behold a small instrument called plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratiuely wrought. Lately penned, and now published for the vse and benefot of such as will make good vse of it. By Iohn Aspley student in physicke, and practitioner of the mathematickes, in the city of London"@en . "Speculum nauticum. A looking glasse. For sea-men: wherein they may behold a small instrument called the plain scale: wherby all questions nauticall, and propositions astromicall [sic] are very easily and demonstratively wrought. Published for the use and benefit of such as will make good use of it. By Iohn Aspley, student in physick, and practitioner of the mathematicks, in the Citie of London"@en . . . "Speculum nauticum a looking glasse for sea-men : wherein they may behold a small instrument called the plain scale whereby all questions nautical and propositions astronomical are very easily and demonstratively wrought"@en . . . . "Early works" . . . "Early works"@en . . "Speculum nauticum : A looking glasse, for sea-men: wherein they may behold a small instrument called plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratiuely wrought" . "Speculum nauticum A looking-glass for sea-men : wherein they may behold, how by a small instrument, called the plain-scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed"@en . . . "A Looking-Glass For Sea-Men" . . . "Speculum nauticum"@en . . "Speculum nauticum : a looking glasse for seamen" . . . "Looking-Glass For Sea-Men" . . "Speculum nauticum, a looking glasse for sea-men"@en . . . . . . "Speculum nauticum : a looking glasse for sea-men, wherein they may behold a small instrument called the Plaine Scale, whereby all questions nauticall and proposibitions astronomicall rae very easily and demonstratively wrought" . . "Looking glasse for sea-men"@en . "Looking glasse for sea-men" . "Speculum nauticum a looking-glass for sea-men : wherein they may behold how by a small instrument called the plain-scale all nautical questions and astronomical propositions are very easily and demonstratively performed" . . "Speculum nauticum = A looking-glass for sea-men : wherein they may behold how by a small instrument called the plain-scale all nautical questions and astronomical propositions are very easily and demonstratively performed"@en . . "Speculum nauticum a looking-glass for sea-men. Wherein they may behold, how by a small instrument, called the plain-scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed" . "Speculum nauticum A looking-glass for sea-men : wherein they may behold how by a small instrument called the plain-scale all nautical questions and astronomical propositions are very easily and demonstratively performed"@en . . . "Speculum nauticum : a looking-glass for sea-men wherein they may behold, how by a small instrument, called the plain-scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed"@en . . . . . . . "Speculum nauticum: A looking glasse for seamen: wherein they may behold a small instrument called the plaine scale: whereby all questions nauticall, and propositions astronomicall are very easy and demonstratiuely wrought. Lately penned, and now published for the vse and benefit of such as will make good vse of it"@en . . . . . "Speculum nauticum : a looking glasse for sea-men"@en . "Speculum nauticum : a looking glasse for sea-men" . . . "Speculum nauticum. A looking glasse for sea-men: wherein they may behold a small instrument called the plain scale: wherby 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 Iohn Aspley, student in physick, and practitioner of the mathematicks, in the citie of London"@en . "Sea-mans glasse"@en . "Speculum nauticum: A looking glasse, for sea-men: wherein they may behold a small instrument called plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratiuely wrought. Lately penned, and now published for the vse and benefot of such as will make good vse of it. By Iohn Aspley student in physicke, and practitioner of the mathematickes, in the city of London"@en . . . "Speculum nauticum. : A looking-glass for sea-men. Wherein they may behold, how by a small instrument, called the plain scale, all nautical questions, and astronomical propositions, are very easily and demonstratively performed"@en . . "Looking-glass for sea-men"@en . "Looking-glass for sea-men" . "Speculum nauticum 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"@en . . . . . "Speculum nauticum: a looking glasse, for sea-men: wherein they may behold a small instrument called the plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratiuely wrought. Lately penned, and now published for the use and benefit of such as will make good vse of it" . "Speculum nauticum : A looking-glass for sea-men" . . "Speculum Nauticum : a looking glasse for sea-men" . . "Speculum nauticum 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 f the use and benefit of such as will make good use of it"@en . . . . "Looking glasse, for sea-men"@en . . . "Speculum nauticum. A looking glasse, for sea-men: wherein they may behold a small instrument called the plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratively wrought"@en . . . . . . "Speculum Nauticum" . "Speculum nauticum: a looking glasse, for sea-men: wherein they may behold small instrument called the plaine scale, etc" . . . "Speculum nauticum" . "Speculum nauticum: a looking glasse, for sea-men: wherein they may behold small instrument called the plaine scale, etc"@en . . "Speculum nauticum. : A looking glasse, for sea-men: wherein they may behold a small instrument called the plaine 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"@en . "Speculum nauticum. A looking glasse. For sea-men: wherein they may behold a small instrument called the plain scale: wherby [sic] all questions nauticall, and propositions astronomicall are very easily and demonstratively wrought"@en . . . . . . . . . . . . . "Speculum nauticum A looking glasse, for sea-men: wherein they may behold a small instrument called plaine scale: whereby all questions nauticall, and propositions astronomicall are very easily and demonstratiuely wrought"@en . . "New way of dialling"@en . "New way of dialling" . "Speculum nauticum = 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"@en . "1500 - 1700" . . "1473-1640" . . "Nautical instruments Early works to 1800." . . "Navigation Early works to 1800." . . "Navigation." . . "Dialing Early works to 1800." . .