394 List of Patents for new Inventions. 
testimonies of attachment and regard with which he was at all 
times, and more especially during his last illness, honoured by 
his Royal Mistress. 
Mr. De Lue was a member. of several academies and wniver- 
sities on the Continent, and maintained a correspondence with 
the most eminent naturalists and philosophers during the greatest 
portion of the last century. Many of his writings le dispersed 
through various literary and scientific journals, foreign and do- 
mestic : among others, the Philosophical Transactions, the Jour- 
nal des Scavans, the Monthly Review, the British Critie, the 
Philosophical Magazine, and the Monthly Magazine. The fol- 
lowing works may be mentioned as the most important of Mr, 
De Luc’s publications :—Lettres sur |’ Histoire de la Terre et de 
VYHomme, 5 vols. Svo, 1779; Recherches sur les Modifieations 
de /’Atmosphére, contenant |’Histoire Critique du Barométre et 
du Thermométre, 1784; Idées sur la Météorologie, 2 vols, in 3, 
1786; Lettres sur l’Education Religieuse de |’Enfanee, 1799; 
Lettres sur Histoire Physique de la Terre, adressées au Profess 
seur Blumenbach; Lettres sur le Christianisme, 1801; Précis 
sur la Philosophie de Bacon, 2 vols, 1802; Introduction a la 
Physique Terrestre par les Fluides expansibles, 2 vols. 1803; 
Traité Elémentaire sur le Fluide Electrico-galvanique, 2 vols, 
1804; An Elementary Treatise on Geology, 1809; Geologica} 
Travels in the North of Europe and in England, 3 vols. 1810; 
Geological Travels in some Parts of France, Switzerland, and 
Germany, 1803. 
eadett 
LIST OF PATENTS FOR NEW INVENTIONS, 
To John James Alexander MacCarthy, of Milbank-street, 
Westminster, Middlesex, for his road or way for passage across. 
rivers, creeks, and waters, and from shore to shore thereof, with- 
out stoppage or impediment tothe constant navigation thereof, and 
across ravines, fissures, clefts, and chasms; anda new method of 
‘constructing arches and apertures for the running and flowing of 
water through the same, or under bridges, to be used and applied 
‘in the construction of the before-mentioned road or way or other- 
wise.-- Dated 28th July,1817.--6 months allowed for specification, 
ToJephtha Avery Wilkinson, late of New-York in the United 
States of America, but now residing in Covent Garden, for cer- 
tain improvements in the application of machinery for the pur- 
pose of manufacturing of weavers’ reeds by water and other power. 
-—6 months.—23d August. 
To George Medhurst, of Denmark-street, Saint Giles, Mid- 
dlesex, for his arrangement of implements to form certain appa- 
ratus which he denominates The hydraulic balance, 'applicable to 
mechanical and hydraulic purposes,—2Sth Aug,.—6 spe 
, 0 
