24-0
THE LIFE OF
VIII.
De natura V motibus cometarum.
Of the Comet in the Year 1664. N. B. Hypothesis and Theory ofComets; produc’d to the Royal Society. 1665.
IX.
Phases Saturni accurate delineatœ & illujlratœ ab Anno 1649. ad An -num 1656.
X.
Discourse of the Appearance of Saturn.
XI.
Pabulœ epaftarum Luna Saturninœ conjundiionibus ejus cum h infimis in-veniendis infer went es.
XII.
Description of an Instrument for the observing Distances of six'd Stars,and the Planets, and Appulfes to the Moon; by two Telescopes join’d likea Sector, so as to give the true Angle of their Distances.
XIII.
A Method to make Telescopes with little Trouble and Expence, of greatLength, to be used for any Altitude.
A Corollary relating to Telescopes.
^ , XIV.
Of the Longitude.
XV.
To observe the Variations of the magnetical Needle.
XVI.
De re nauticd veterwn.
XVII.
To find the Velocity of a Ship in failing.
XVIII.
- Of the Improvement of Gallies.
XIX
Of an Instrument perpetually noting the Soundings in Shallows.
XX.
To recover Wrecks.
XXI.
A convenient Way of uscing Artillery on Ship-board.
XXII.
To build in deep Water.
XXIII.
To build a Mole into the Sea, without Puzzolan Dust, or Cisterns.
XXIV.
Of the Improvement of River-navigation, by the joining of the Rwe«^ r