Kitāb Fī Al-ālāt Al-falakīyah

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Franšois Charette
BRILL, Jan 1, 2003 - Science - 558 pages
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This volume contains the critical edition with English translation of a richly-illustrated Arabic treatise on the construction of over one hundred various astronomical instruments, many of which are otherwise unknown to specialists. It was composed by Najm al-D n al-Misr , a rather shadowy figure, in Cairo ca. 1330. The edition is accompanied by a detailed technical and historical commentary, which is framed as a self-standing essay on Islamic mathematical instrumentation. While this essay/commentary is mainly based on Najm al-D n's treatise, it also benefits from the consultation of a large number of previously unstudied manuscripts, and includes a discussion of all relevant sources from the period 800 1500.
 

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Contents

Introduction
3
Part Commentary
49
the altitude circles
55
Horary Quadrants and Portable Dials
113
Fixed Sundials
181
Trigonometric Instruments
209
Miscellaneous Instruments
221
Translation of Najm alDJn alMisris Treatise on Instruments
229
the skiff astrolabic quadrant
275
the bull astrolabic quadrant
276
the azimuthal astrolabic quadrant
277
trolabic quadrant
278
the diurnal musatira
279
the nocturnal musatira
280
the musattar quadrant
282
the quadrant with harp markings
283

the spiral astrolabe
243
the rumTastrolabe called the shajjariyya
244
the universal astrolabe invented in Mecca
247
the crab astrolabe which is named after the construction of its rete
248
the northern counterbalancing astrolabe
249
the myrtle astrolabe which is also the plate of the drum one each of them having its own rete
250
the complete southnorth astrolabe without having to be concerned with looking at the rete
251
the anemone astrolabe and its rete
252
the solid astrolabe
253
the jar astrolabe
254
the tortoise astrolabe
255
the buffalo astrolabe
256
the cup astrolabe
257
the spherical astrolabe
259
the frog astrolabe invented by the author
260
the zarqdlliyya
262
the azimuth circle
263
the southern counterbalancing astrolabe
264
the scorpion astrolabe related to the construction of its rete
265
the diverging mutadakhil mutakhdlif astrolabe
266
the fitting mutadakhil mutawafiq astrolabe
267
the ruler astrolabe
268
the shakkaziyya
269
the shakkaziyya quadrant
271
the spiral astrolabic quadrant
272
the universal astrolabic quadrant
273
the counterbalancing astrolabic quadrant
274
the universal horary quadrant
284
the sine quadrant
285
the instrument with the two branches
286
the sundial based on the midday shadow
287
the seasonal hours based on midday shadows by another method
291
the conical sundial and the universal locusts leg
292
the astrolabic quadrant for latitude 48 which is the end of the inhabited countries
293
an horary quadrant whose sixth hourline has the same width as its first one each of them having a uniform width
295
the seasonal hours of an horary quadrant for a specific altitude
296
the seasonal hours of an horary quadrant called hours of the harp junk
297
the hours of an horary quadrant called hours with the branches
298
the hours called hours with the bowed scale
299
the universal horary quadrant which works approximately for all inhabited latitudes that is from zero to 48
300
the hours with the square angle alzdwiya
301
hour markings on the flat locusts leg or on the circular conical dial its gnomon being fixed
302
the arcs of the asr on the sine quadrants
304
the linear astrolabe
305
the horizontal sundial with the daycircles
306
the instrument displaying the timearc as a function of
312
the base of the ventilator
318
the locusts leg as a function of the meridian altitude for
324
the hours of the basin which does not empty
331
the vertical sundial for latitude 36 parallel to the eastwest
351
B Najm alD´ns Proportion Tables
357
Bibliography
375
Indices
395
Copyright

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References to this book

About the author (2003)

Franšois Charette, Dr.Phil. nat. (2001) in History of Science, Johann Wolfgang Goethe University, Frankfurt am Main, is currently a Postdoctoral Fellow at the Dibner Institute for the History of Science and Technology, MIT. His work deals with the history of astronomy and scientific instrumentation in Islam.