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P. HISTORY OF ' AATHEMATICAL - School of Mathematics

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22 A <strong>HISTORY</strong> <strong>OF</strong> MATHEMATICAL NOTATIONS<br />

$<br />

Plaw <strong>of</strong> MS. Date <strong>of</strong> Ms. Dats<strong>of</strong> MS. Plaw 0f.x~.<br />

1608 . Merlco City <br />

1 Spain abt. 1500<br />

1633 Son Fellpe de puerto 4<br />

I Merlco 0) 1601 p$<br />

6 Merlco<br />

7 Manlla<br />

Merlco city 6<br />

Merlco 8<br />

0 Meleo<br />

11 Chletla (Merlco) 1748 Manlla 12<br />

38 Merlco 9 14<br />

16 New 011- (1778) 1788 New Orlem 16<br />

17 Merleo Clty 1781<br />

10 On the Mlssl~ippl 1787<br />

1786 New Orleans 18<br />

1787 Mexlco Cltp 20<br />

1708 " Nouvelle Madrld " 22<br />

21 Phlladelphla 1792 (N. 0.)<br />

'1784 " Nouvelle Madrld " 24<br />

28 " Noovelle Madrld " 1794 (N. 0.)<br />

(N. 0.)<br />

1704 " Noovelle Madrld " 26<br />

26 " Noovelle Mndrld " 1791 (N. 0.)<br />

(En 0.)<br />

27 New Orleans 1796<br />

1788 Phlladelphla (?) 28<br />

New Orleaor 1706<br />

170D Loolrvllle (9) 80<br />

Fro. 111.Symbols for the Spanish dollar or peso, traced from MS letters,<br />

contracts, and account-books. No. 1: The historian, Dr. Cayetano Coll y Toste,<br />

<strong>of</strong> Porto Rico, sap that this was the written symbol "during the time <strong>of</strong> Christopher<br />

Columbus." Nos. 2, 3, 6, 9, 10, 11, 13, 14, 17, 20 are traced from MSS<br />

owned by W. W. Blake, Avenida 16 de Septiembre 13, Mexico City. Nos. 15,16,

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