Lunar Ocadiations in July 1831. 71 



To M. E. A. Pertius, No. 56, Rue du Bac, Paris, spinster, for the 

 fabrication or preparation of a coal fitted for refining and purifying 

 sugar and other matters. Communicated by a foreigner. — 23rd of 

 December. — 6 months. 



To J. Ferrabee, Thrupp Mill and Foundry, Stroud, Gloucester- 

 shire, engineer, for improvements in the machinery for preparing 

 the pile or face of woollen or other cloths requiring such a process. 

 — 23rd of December. — 6 months. 



To J. Blackwell and T. Alcock, both of Claines, Worcestershire, 

 machine-makers, and lace or bobbin-net manufacturers, for certain 

 improvements in machines or machinery for making lace, commonly 

 called bobbin-net.— 13th of January, 1831.— 6 months. 



To S. Seaward, Canal Iron Works,in the parish of All Saints, 

 Poplar, engineer, for an improvement or improvements in apparatus 

 for oeconomising steam and for other purposes, and the application 

 thereof to the boilers of steam-engines employed on board packet- 

 boats and other vessels.— 15th of January.— 6 months. 



To W. Parker, Albany-street, Regent's Park, gentleman, for 

 certain improvements in preparing animal charcoal. — I5th of Ja- 

 nuary. — 4 months. 



To J. and G. Rodgers, Sheffield, cutlers ; and T. Fellows, jun. 

 New Cross, Deptford, gentleman, for an improved skate. — 18th of 

 January. — 2 months. 



To A. Smith, Princes-street, Leicester-square, St. Martin's in the 

 Fields, engineer, for certain improvements in machinery for pro- 

 pelling boats and other vessels on water, and in the manner of con- 

 structing boats or vessels for carrying such machinery.— 22nd of 

 January.— 6 months. 



To J. G. Ulrich, Nicholas Lane, London, chronometer-maker, 

 for certain improvements in chronometers. — 22nd of January. — 

 18 months. 



LUNAR OCCULTATIONS. 

 Occultations of Planets and Jixed Stars by the Moon, in July 1831. 

 Computed Jbr Greeniuich, by Thomas Henderson, Esq.; and 

 circulated by the Astronomical Society. 



lii'StlltS 



