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Huygens, Christianus Hyginus, C. Julius

Ideler, Ludwig Inman, James Innes, Robert

Isaac, Rabbi

Ivory, James

Jack, Richard

Jaman, J.

Jamieson, Alexander
Jephson, Thomas
Johnson, Manuel John
Johnson, Thomas
Juan, Jorge

Julius, Sextus

Kaiser, F.

Kater, Henry
Keill, John
Kelly, Patrick
Kepler, John
Kersey, John

King, Philip Parker
Kircher, Athanasius

Lacaille, N. L.
Lahire, Philip
Lalande, Jerome de
La Grange, J. L.
Lamy, R. P. Bernard
Laplace, P. S.

Lardner, Dionysius
Larkin, N. J.
Lax, William

Legendre, Adr. Marie
Leibnitz, Got. Gul.
Leontius Mechanicus
Lexell, Andrea Joh.
Leybourn, Thomas
Lilly, William

Lindenau, Bernard von

Littrow, J. J.
Locke, Richard

Lubbock, John William

Ludlam, William
Lynn, Thomas

Lyons, Israel

Machin, John
Mackay, Andrew
Mackenzie, George
Maclaurin, Colin
Mädler, John Henry
Mairan, I. J. d'Ortous
Mallet, Frederic
Manilius, Marcus
Maraldi, J. D.

Margetts, George

Martin, Benjamin

Martine, George Henry Mascheroni, L. Maseres, Francis Maskelyne, Nevil Mason, Charles Matthew, Edward Maupertuis, P. L. M. Mayer, Tobias Metius, Adrian Molières, J. P. de Molyneux, William Monnier, M. de Montucla, J. Moore, James Morgan, Silvanus Moxon, Joseph Mudge, William

Munster, Sebastian

Newton, Isaac Newton, John Newton, Thomas Nicholson, W.

Norwood, Richard

Oriani, Barnabas Oughtred, William Ozanam, James

Pagnini, Giov.
Pappus Alexandrinus
Parker, B.

Pascal, A. J. E.
Peacock, George
Pearson, William
Pemberton, Henry
Peyraud, F.
Piazzi, Giuseppe
Playfair, John
Pluche, Anthony
Poisson, D. S.
Pond, John
Pontécoulant, G. de
Powell, Baden
Prony, G. C. F. R.
Ptolomæus, Claudius
Ptolomæus Parvus

Quadri, Lodovico Giov. Quetelet, A.

Raper, Henry
Raphael, Rabbi
Raphson, Jos.

Regiomonte, Joannes de
Riddle, Edward
Rieger, Christian
Rigaud, P. S.

Rios, Jos. de Mendoza
Robins, Benjamin
Robinson, Pollingrove
Rohault, J.

Ross, Alexander
Rumker, Charles

Rutherforth, J.

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These are the authors of the greater portion of the printed books; but there are also some valuable manuscripts on mathematical and scientific subjects. Of these it may only be necessary to place before the reader a few of the Arabic, Persian, and Turkish works which Dr. Lee purchased in the Levant ; in obtaining many of which he had the assistance of the estimable and regretted Burckhardt. In this selection the task has been easy enough, the titles having been accurately translated, with lucid comments, by that learned

Orientalist and critical Classic scholar, the Reverend George Cecil Renouard, the highly-prized and long-tried friend of both Dr. Lee and myself:

Rakúyiku-l hakáyik fí hisábi-d-direj wa-l dakáyik.—A Treatise on the Calculation of Degrees and Minutes, by Mohammed Sabt-al-Márdíní. Transcribed A.H. 944=A.D. 1538. 8vo. Abú 'Abdu-llah Shamsu-d-dín Mohammed, surnamed Sabtu-l Márdíní, was a great lawyer, as well He died A.H. 788 A.D. 1386.

as an astronomer.


Sherhi-t-tedhkireh.-A Commentary on the Astronomical Memorabilia of Nasíru-d-dín et Túsí, by Al Jorjání. Finished A.H. 811=A.D. 1408. 8vo. This copy has been carefully corrected. According to D'Herbelot, Al Jorjání died in A.H. 810=A.D. 1407; (Tadhkerat al Nassiriat, III. 378.) He is called Al Seyyid, al Sheríf, 'Alí ibn Mohammed (Tagrid al Kelam, III. 385), Abú Hasan, or Hosaïn, born A.H. 740=A.D. 1340; died at Shíráz, A.H. 816 A.D. 1413.


Al Wasilah beini-l-talabah.-A Treatise on Arithmetic and Algebra, abridged by Ibnu-l Khátim, from the Ma'eínah of Manşúr el Hataf el Túsí, with an Italian version.

The Arabic text was copied from a MS. (No. 327 in Assemanni's Catalogue of the Laurentian Library at Florence), written by Ibnu-l Khátim A.H. 762=A.D. 1360, at Jerusalem.

Ziju-l Mukhtar.

Az-ziju-l mukhtúr mina-l azyáji-l mufḍí bí‐l 'ámili bedi ila auḍaḥi tarikatin, wa minhájun 'aly-t-tamúmi wa-l kemáli; wa-l ḥamdu li-lláhi 'ala kulli hálin. Tumma, i. e. A Table selected from Tables which open the path to the beginner in his search for the clearest way and the high road to completeness and perfection (in Astronomy). Praise be to God in every state! Finis. The book is divided into two sections; the first having 45; the second, a great number of Tables of the Planets, from Ibn Yúnis.

The work is dated, in the colophon, Saturday, 13th Shawwál, 1007=A.D. May 1599. This copy appears to have belonged to the Library of Ahmed al Damanhúrí, superior of the Faķirs in the Mosque El Azhar, at Caïro; and title-page, and fol. 192.

Kitabi-l lam'ah fí halli-l kawákibi-s-sel 'ah.

"The Book of Flashing, for the Solution [of Problems] respecting the Seven Stars," by Ahmed ibn Gholámi-llah, ibn Ahmed, surnamed El Kúmu-l-reïshí, Time-keeper in the Cathedral of Muayyad [at Káhirah.]

Ahmed ibn Gholám says, that having written a work entitled Noz-hatu-l-khátir fí talkhişi ziji ibni-sh-Sháṭir, i.e. "The delight of the heart in the Explanation of the Tables of Ibnush-Shatir," he abridged it in this work.

No date; but of considerable antiquity: chiefly astronomical tables.

Tractatus Astronomici, Arabicè.

i. An Introduction to the Knowledge and Use of the Astrolabe, by 'Azzu-d-dín Yúsuf, el Zinjáfí. Finished A.II. 790 A.D. 1387.

ii. On the Art of finding the Zenith in every Altitude, &c.; the Declination of Places from each other, &c. Extracted from some Treatises on the Astrolabe.

iii A Table for finding the Place of the Sun and Moon in any of the Signs of the Zodiac. iv. A Table of the Longitude and Latitude of various Places: (the Longitude reckoned from the Fortunate Islands), viz. Mekkah, Baghdad, Basrah, El Mausil, Istánbúl, Arz-Rúm (sic), Misr (i. e. Al-káhirah), Beïtu-1 Makdes (Jerusalem), El Hasá (Lahsá, or El Ahsá), El Katíf, Tebriz, Dimeshk, Saïdá, Ganjah, Tiflis, Shamákhí, Ișfahán, Haleb (Aleppo), Nisíbín, Sinjár, Rás'Aïn (sic), Márdín, 'A'nah, El Rahabeh, Tekrít, Erbil (Arbela).

v. Al Safihatu li emkáni resemiha'ala Safihatin min safáyihi-l Asterláb.

A Tablet for the places drawn on one of the sides of the Astrolabe.

"A wonderful Treatise on the Astrolabe, as it is noted in the margin of the first page." vi. A Treatise on the Sphere, and the use of it.

"This is an approved Treatise on the Sphere,

Docketed in the same Ta'lik hand as above, from the words of Habash, the Calculator. It

is an explanation of the Heaven and Earth; an explanation of the North and South." vii. Risáletu-l fat-híyetu fí-l á máli-l jeïbiyeți; i. e. a Treatise explaining the use of Sines, by

the Sheikh Bedru-d-dín Mohammed Sabt el Márdíní.

viii. A Treatise on the Use of the Quadrants marked with (al Mokanṭerát) Circles parallel with the Horizon. By Abú-l 'Abbás Aḥmed el Majdí.

ix. A Metrical Catalogue of the Stars; in Arabic. By Abú 'Alí, son (najl) of Abú-l Hoseïn el Súfí, dedicated to Abú-l Ma'álí Fekhru-d-dín Sháhinsháh.

The Metre is

Mustaf'ilun (twice) Maf'úlun.

Abú' Alí, author of this work, refers to a larger work on the same subject, by his father, Abú-1 Hoseïn el Súfi, who was probably the celebrated Astronomer Abdu-r-rahmán ibn 'Omar ibn Sehel Abú-1 Huseïn, el Súfí, who died A.H. 376=A.D. 986. (Abú-1 Faraj Hist. Dynast. I. 214, II. 325.) He was patronized by 'Azzudu-d-daúlah, Sultán of the Arabian 'Irák. Fakhru-d-dín, here named, therefore, may have been his brother, Fakru-ddaúlah, who reigned over the Persian 'Irák from A.II. 373 to A.H. 387 A.D. 983-997. On the blank leaf at the end there is a charm; with directions, in Turkish, how to use it in order to procure a pleasant dream. ·

These tracts are all neatly written in the Niskhí hand, by the same transcriber, and are probably not a century old.

Takwimu-l Makdesi

Kitábu Takwími 'alá-l kaúli kawáníni-l kulliyeti wa-l aḥkámi-l mufaṣṣalați fí hádhihi-s-sanațish-shemsiyeti.-A Book of the Calendar according to the general Rules and the Determinations for this Solar Year.

An Almanack for the Solar Year, beginning on the 21st of Dhí-l ka'dah, A.H. 1082=20th of March 1672.

At the end is written, in the hand of the possessor:-"Calculated by the poorest of the servants of his Exalted Lord, 'Abdu-llah ibn Ahmed, el Makdesí, el Hanbalí. May God pardon him, his parents, his ancestors, and whomsoever shall look into it!"

The impression of a seal below shews that the calculator mentioned above was possessor of the book. It is El Fakir 'Abdu-llah ibn Ahmed, el Makdesí (the Dervish 'Abdu-llah, son of Ahmed, of Jerusalem.)

Kitábu-l jefru-l jámi' wa-misbáḥu-n-núri-l-lámi”.—On Divination, by El-Bisṭámí. Transcribed A.H. 1102=A.D. 1691. 8vo. See D'Herbelot (Bastham), I. 377; (Thalahah), III. 476. Kemálu-d-dín, Abú Sálim, ibn Tálihah, al Bisṭámí, is the author's name, according to D'Herbelot.

Al Arba'iniyyah wa-l Пisáḥ.

i. Sherḥi-l nukáați-l durúriyyet wa'l arba 'íniyyet li Borhánu-d-din Hojjetu-l islám.—A Commentary on the Arba 'íniyyah, or Forty Questions, of Borhánu-h-dín Hojjetu-l-islám. The last pages are wanting, the thirty-seventh being the last question treated of. Ill written in Niskhí characters; the points being often omitted.

ii. A Treatise on Arithmetic, divided into a Mokaddemah (Introduction) and two Sciences (Fenneïn). The second chapter contains the Arithmetic of Fractions. The Second Part, Fenn, or the Branches of Arithmetic, comprehending Mensuration of Bodies, with four Mokaddemahs or Appendices. Transcribed by its possessor, Jemál ibn Nizámu-d-dín, in the middle of Jumádhi-l A ́kher, A.H. 803=A.D. 1401, in the Medreseh (College) of .... in the city of Sultániyyeh. A small part of the beginning is wanting. In the Ta'lik hand; ill written, and the points generally omitted: the latter part is dreadfully worm-eaten.

The Mokaddemah contains two Sections: 1. On Arithmetic, its data; Numbers, and their divisions. "Arithmetic," it says, "is the science which teaches methods of bringing out unknown from given known quantities." The 2d Section treats of the forms of numbers, and their ranks, as determined by the Indian sages. The nine digits are there given.

Risaleh Fí 'Ilmi-l Jefr:

Risáleh fí 'ilmi-l jefr.--A Cabalistical and Astrological Treatise; "the conception of which began in the first hour of the second day of the third decade of the fourth month of the fifth period of the First Age, and of the second decade of the Flight (Hijrah) of the Lord of Created Beings," &c.; and its transcription was finished on the 29th of Ramazán, A.H. 1083=A.D. 1673, at Medínah. Ill written.

The first page is more modern than the following ones; but of considerable age, as is manifest from the numerals in the inner margin, which shew that the second leaf is wanting.

It consists of a Mokaddemah (Introduction), Twelve Gates (Báb) or Chapters, and a Conclusion (Khátimeh).

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