Person
Holwell, John, 1649-1686?
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Clavis horologiæ; or, A key to the whole art of arithmetical dialling, In two Parts. The first shewing how to draw the hour-lines on all manner of regular dials and how to reduce all irregular dials into regular forms, by means of a new latitude and new declination, and that arithmetically. The second part sheweth how to place all manner of furniture on all sorts of dials, let them be never so irregular, and that arithmetically: whereunto is annex'd the tables of the attitude of the sun for every hour of the day, at his entrance into the 12 signs, from one degree of latitude to 90; with tables of azimuch to each latitude, and for every hour of the day, at his entrance into each sign; with many other tables useful in the art of shadows. Whereunto is annexed an appendix, being the explication of the pyramidical dial set up in His Majesty's garden at White-hall, 1669. In which very many sorts of dials are contained: by which, besides the hours of all kinds diversly expressed, many things relating to geography, astrology and astronomy, are by the sun's shadow made visible to the eye, by that Reverend Father Francis Hall, alias Line, of the society of Jesus, professor of the mathematicks at liege in Germany. By John Holwell, teacher of the mathematicks. illustrated with curious copper cuts.
Holwell, John, 1649-1686?.Date: 1712- Books
- Online
An appendix to Holwel's Catastrophe mundi : being an astrological discourse of the rise, growth and continuation of the Othoman family : with the nativities of the present French king, emperors of Germany and Turky, all truly rectifyed, and astrologically handled : also, what progress this present emperor of Turky shall make upon Europe in this intended war with the House of Austria : where unto is added a supplement of the judgment of comet / by John Holwel.
Holwell, John, 1649-1686?Date: 1683- Books
- Online
Clavis horologiae; or, a key to the whole art of arithmetical dyalling ... Whereunto is annexed an appendix, being the explication of the pyramidical dyal set up in His Majesties garden at White-Hall, 1669 ... / by Francis Hall, alias Line.
Holwell, John, 1649-1686?Date: 1686- Books
Clavis horologiae; or, a key to the whole art of arithmetical dyalling ... Whereunto is annexed an appendix, being the explication of the pyramidical dyal set up in His Majesties garden at White-Hall, 1669 ... / by Francis Hall, alias Line.
Holwell, John, 1649-1686?Date: 1686- Books
- Online
Catastrophe mundi, or, Europe's many mutations until the year 1701 : being an astrological treatise of the effects of the triple conjunction of Saturn and Jupiter 1682 and 1683, and of the comets 1680 and 1682, and other configurations concomitant : wherein the fate of Europe for these next 20 years is ... more than probably conjectured ... : also, an ephimeris [sic] of all the comets that have appeared from ... 1603 to the year 1682 .. : whereunto is annexed the hieroglyphicks of Nostrodamus ... / by John Holwell.
Holwell, John, 1649-1686?Date: 1682