The catholique planispha︠e︡r
Subtitle: Which Mr Blagrave calleth the mathematical jewel; briefly and plainly discribed, in five books. The first shewing the making of the instrument. The rest shewing the manifold vse of it. 1. For representing several projections of the sphere. 2. For resolving all spherical triangles. 3. For resolving all problems of the sphere; astronomical, astrological, and geographical. 4. For making all sorts of dials, both without doors and within; upon any walls, cielings, or floores, be they never so irregular, where-so-ever the direct or reflected beams of the sun may come. All which are to be done by this instrument, with wondrous ease and delight. A treatise very usefull for marriners, and for all ingenious men, who love the arts mathematical
By: By John Palmer, M.A. Hereunto is added a brief description of the cros-staf. And a catalogue of eclipses, observed by the same I.P. ...
Publisher: Printed by Joseph Moxon
Published: 1658
Place of publication: London
Language: eng
Number of pages: 217
Notes: Error in pagination: no. 144 used for three successive pages.

Ex libris: Sr. John Anstruther.

Because of the scarcity of Blagrave's "Mathematical jewel" (London, 1585) and of various faults in the text, the author "undertook the reformation of that treatise".-cf. Epistle dedicatory.

The instrument described is an astrolabe.