Instrument Buch durch Petrum Apianum erst von new beschriben.

£11,000

Zum ersten ist darinne begriffen ein newer Quadrant

Ingolstadii [Inglstadt] Cum Gratia & Privilegio Caesareo ad Triginta Annos. 1533.

FIRST EDITION, folio (280 x 190mm.), title printed in red and black with large woodcut showing astronomers, some text leaves folding, 9 woodcut plates (some folding), illustrated with woodcuts throughout, early calf mottled gilt.

The instrument book of Peter Apian of 1533 gives a survey of the amazing variety of instruments. Three instruments are discussed which are important as basic types: Diopter disk, Quadratum Geometricum and the Jacob’s staff.

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…dardurch Tag und Nacht, bey der Sonnen, Mon, vnnd andern Planeten, auch durch ettliche Ge – stirn, die Stunden, und ander nutzung, gefunden wer – den. Zum Andern, wie man die höch der Thurn, und anderer gebew, des gleichen die weyt, brayt, und tieffe, durch die Spigel und Instrument, messen soll. Zum Dritten, wie man das wasser absehen oder abwe – gen soll/ ob man das in ein Schloss oder Statt füeren möge, und wie man die Brünne suchen soll. Zum Vierden, sindt drey Instrument, die mögen in der gantzen welt bey Tag und bey Nacht gebraucht wer – den: vnnd haben gar vil und manicherlay breüche, und all geschlecht der Stunden, behalten alle zu gleich ire Lateinischen nämen. Zum Fünfften, wie man künstlich durch Finger der Hän – de die Stund in der Nacht, on alle Instrument erkhen – nen soll. Zum Letzten, ist darin ein newer Messstab, des glei – chen man nenndt den Jacobs stab, dardurch auch die höch, brayt,weyt, und dieffe, auff newe art gefunden wirt.

Ingolstadii [Inglstadt] Cum Gratia & Privilegio Caesareo ad Triginta Annos. 1533.

FIRST EDITION, folio (280 x 190mm.), title printed in red and black with large woodcut showing astronomers, some text leaves folding, 9 woodcut plates (some folding), illustrated with woodcuts throughout, early calf mottled gilt

This copy has three leaves bound at end from Apianus’ Folium Populi, printed in 1533.

This illustrated work shows the use of over forty different mathematical instruments. It is one of the earliest technical books to use a language other than Latin. Apianus chose German, because his work was intended for practitioners in the field, rather than scholars. “Indeed, in the introduction to the work, Apian calls upon other authors to publish in German so as to encourage the broader dissemination of technical information. This copy contains uncut volvelles, printed on one side of the page, with each part (body of the instrument, major rotating scales, sighting vanes, etc.) separated. Apian intended that readers would cut out the individual items and assemble the instruments” (Tomash & Williams).

The instrument book of Peter Apian of 1533 gives a survey of the amazing variety of instruments. Three instruments are discussed which are important as basic types: Diopter disk, Quadratum Geometricum and the Jacob’s staff.

The attractive engraved title shows several different types of mathematical instruments.On the right an astronomer is using a ‘nocturnal’ to determine the time at night. The two in the middle are using different types of quadrant to tell the time from the angle of the sun above the horizon. The astronomer in the middle in the background is using a simple instrument called a ‘Jacob’s staff’ to measure the width of a building, from the angle between its corners (using the principle of similar triangles). Finally, the person on the left is measuring the angle between two stars using the oldest mathematical instrument ever invented: the fingers on our own hands!

The mathematical theme of the picture is emphasised by two huge imaginary mathematical shapes in the front. One is made out of sides with pentagons and is called a regular Dodecahedron. The other has sides made out of equilateral triangles and is called a regular Icosahedron.

Crone Library 18; USTC 669173; VD16 A3111; cf. VD16 ZV 659 and USTC 669172

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