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Presents. 
VERHULST (P. F.) Traite Elementaire des Fonctions Elliptiques. 8vo. 
Bruxelles 1 84 1 
WALKENAER ( — ) Notice Historique sur la vie et les ouvrages de M. 
Daunou. 4 to. Paris 1841. 
WARD (N. 13.) On the Growth of Plants in closely glazed cases. 8vo. Lon- 
don 1842. 
WARTMANN (Elle) Memoire sur la Diathermansie Electrique des Coups 
Metalliques. 4to. Geneva 1840. 
WEBSTER (Thomas.) The Law and Practice of Letters Patent for Inven- 
tions, statutes, practical forms, and digest of reported cases. 8vo. London 
1841. 
WEISS (H. G. J.) Beobachtung Magnetischer Phanomene am Kbrper des 
Menschen. 8vo. Amsterdam 1841. 
WICKSTEED (Thomas.) An Experimental Inquiry concerning the relative 
power of, and useful effect produced by the Cornish and Boulton and Watt 
Pumping Engines, and Cylindrical and Waggon-Head Boilers. 4to. Lon- 
don 1841. 
WILLICH (C. M.) Annual Supplement to the Tithe Commutation Tables, 
for ascertaining, at sight, the Tithe-Rent charge payable for the year 1842. 
8vo. London 1842. 
WILLIS (R.) Principles of Mechanism designed for the use of Students in 
the Universities, and for Engineering Students generally. 8vo. London 
1841. 
WILSON (H. H.) A descriptive Account of the Antiquities and Coins of 
Afghanistan ; with a memoir on the buildings called Topes, by C. Masson, 
Esq. 4to. London 1841. 
WRIGHT (T.) Popular Treatises on Science, written during the Middle Ages, 
in Anglo-Saxon, Anglo-Norman, and English; edited from the original 
manuscripts. 8vo. London 1841. 
Donors. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Author. 
The Directors of the East- 
India Company. 
The Council of the Histori- 
cal Society of Sciences. 
