78 Meteorological Observations for May 1830. 



St. Pancras, Middlesex, for improvements in fire-arms, and in certain 

 other weapons of defence. — 27th of February. — 6 months. 



To W. Grissenthwaite, esquire, Nottingham, for an improved me- 

 thod of facilitating the draft or propulsion or both of wheeled carriages. 

 — 27th of February. — 6 months. 



To H. Hurst, Leeds, Yorkshire, clothier, for certain improvements 

 in manufacturing woollen cloth. — 27th of February. — 6 months. 



To M. Poole, Lincoln's Inn, gentleman, for a certain combination 

 of or improvements in springs, applicable to carriages, and other pur- 

 poses. — 27th of February. — 2 months. 



To J. C. Dyer, Manchester, Lancaster, patent card-manufacturer, 

 for certain improvements on, and additions to, machines or machinery 

 for conducting to, and winding upon, spools, bobbins, or barcells, 

 rovings of cotton, flax, wool, or other fibrous substances of the like 

 nature. — 27th of February. — 6 months. 



To W. Grissenthwaite, esquire, Nottingham, for certain improve- 

 ments in steam-engines. — 27th of February. — 6 months. 



SOLAR SPOTS. 



A curious and interesting group of spots are now (May 1st) near the 

 western edge of the sun's disc, in the form of an angle, and there are 

 two large and very black ones in one umbra, just above the angular 

 point. Should they not wear off in going round, they may be seen 

 in the same figure on the eastern side of the sun about the 20th or 

 21st of May. W. B. 



METEOROLOGICAL OBSERVATIONS FOR MAY 1830. 



Gosport: — 'Numerical Results for the Month. 



Barom. Max. 30-37. May 16. Wind N.W.— Min. 29-29. May 9. Wind W. 

 Range of the mercury 1-08. 



Mean barometrical pressure for the month 29-907 



Spaces described by the rising and falling of the mercury 5-180 



Greatest variation in 24 hours 0-330. — Number of changes 16. 

 Therm. Max. 71°. May 6. Wind S.E.— Min. 41°. May 13. Wind N.E. 

 Range 30°.— Mean temp.of exter. air 56 0, 1 1 . For 31 days with in ($ 5479 

 Max. var. in 24 hours 24°-00.--Mean temp, of spring-water at 8 A.M. 48-51 



De Luc's Whalebone Hygrometer. 

 Greatest humidity of the atmosphere in the evening of the 23rd ... 96° 

 Greatest dryness of the atmosphere in the afternoons of the 5th 



and 18th 49 



Range of the index 47 



Mean at 2 P.M. 59°-0.— Mean at 8 A.M. 64°-7.— Mean at 8 P.M. 72-2 



of three observations each day at 8, 2, and 8 o'clock ,.. 65 - 3 



Evaporation for the month 4-80 inches. 



Rain in the pluviameter near the ground 1-94 inches. 



Prevailing wind, S.W. 



Summary of the Weather. 

 A clear sky, 3£ ; fine, with various modifications of clouds, 17; an over- 

 cast sky without rain, 6; rain, 4£. — Total 31 days. 



Clouds. 



