238 Meteorological Observations for July 1830. 



lasses or syrup from sugar. Communicated by a foreigner. — 29th of 

 June. — 6 months. 



To S. Parker, Argyle-street, Oxford-street, bronzist, for certain 

 improvements in producing the mechanical power from chemical 

 agents. Partly communicated by a foreigner. — 29th of June. — 6 mo. 



To S. Parker, Argyle-street, Oxford-street, bronzist, for an im- 

 proved lamp. Partly communicated by a foreigner. — 29th of June. — 

 0' months. 



To R. Roberts, Manchester, civil engineer, for a certain improve- 

 ment in spinning cotton or other fibrous substances. — 1st of July. 

 —6 months. 



To J. H. Clive, Chell House, Staffordshire, esquire, for certain 

 improvements in the construction of and machinery for locomotive 

 ploughs, harrows, and other machines and carriages. — 1st of July. — 6 

 months. 



To J. H. Sadler, Praed-street, Paddington, engineer, for certain 

 improvements in looms.— 1st of July. — 6 months. 



To M. Uzielli, Clifton-street, Finsbury-square, gentleman, for 

 improvements in the preparation of certain metallic substances, and 

 the application thereof to the sheathing of ships and other purposes. 

 Communicated by a foreigner. — 6th of July. — 6 months. 



METEOROLOGICAL OBSERVATIONS FOR JULY 1830. 



Gosport; — Numerical Results for the Month. 



Barom. Max. 30-35. July 27. Wind N.E.—Min. 29-44. July 3. Wind N. 

 Range of the mercury 0-91. 



Mean barometrical pressure for the month 30-003 



Spaces described by the rising and falling of the mercury 5-060 



Greatest variation in 24 hours 0-460. — Number of changes 17. 

 Therm. Max. 84°. July 29. Wind E.— Min. 50°. Several times. 

 Range 34°. — Mean temp.of exter. air 63°-45. For 31 days with © in 5561-01 

 Max. var. in 24 hours 20°-00.— Mean temp, of spring-water at 8 A.M. 51-02 



De Luc's Whalebone Hygrometer. 

 Greatest humidity of the atmosphere, in the evening of the 17th ... 98° 

 Greatest dryness of the atmosphere, in the afternoon of the 28th 50 



Range of the index 48 



Mean at 2 P.M. 65°-l.— Mean at 8 A.M. 72°-0.— Mean at 8 P.M. 79-6 



of three observations each day at 8, 2, and 8 o'clock 72'2 



Evaporation for the month 4-45 inches. 



Rain in the pluviameter near the ground 1-95 inches. 



Prevailing wind, S.W. 



Summary of the Weather. 

 A clear sky, 4£ ; fine, with various modifications of clouds, 15; an over- 

 cast sky without rain, 6£ ; rain, 5. — Total 31 days. 

 Clouds. 

 Cirrus. Cirrocumulus. Cirrostratus. Stratus. Cumulus. Cumulostr. Nimbus. 

 20 14 27 1 22 18 16 



Scale of the prevailing Winds. 

 N. N.E. E. S.E. S. S.W. W. N.W. Days. 

 h 2i ]* 3i 1 12J 7 2| 31 



General 



