39d Meteorological Observations 



To Robert Campion, of Whitbv, in the county of York, 

 merchant, for his improved method of making and manu- 

 facturing double canvass and sailcloth with hemp and flax, 

 or either of them, without any starch whatever. — 13th April. 

 —2 months. 



To Charles Auguslin Busby, (if New Millman Street, in 

 the county of Middlesex, architect, for his certain methodi 

 of constructing locks of canals, docks, and navigations, 

 and of constructing improvements for locks of canals, 

 docks, and navigations already existing, by means of which 

 the loss of any quantity less than the whole quantity of the 

 water iiow lost when, vessels of any description pass locks 

 constructed after any of the present known methods, will 

 be prevented. — 14th April. — 2 months. 



To Richard Coupland and Frederic Coupland, both of 

 Leeds, in the county of York, manufacturers, for their 

 manufacture of shawls, cords, Brunswicks, ribbed and 

 plain kerseymeres, and milled cicths, from mixture of ani- 

 mal and vegetable wool, prepared and spun into yarn with- 

 out oil. — 28th April. — 2 months. 



To Joseph Hamilton, of the city of Dublin, gentleman, 

 for his improvements on or additions to machines for 

 niakingbricks, tiles, and earthenwares. — 28th April. — 6nio. 



Meteorological Obstrvations made at Clapton in Hacknty, 

 from April 8 to April 28, 1813. 



April 9. — Fair with a few cumuli. Sec. but nearly clear, 

 and very dry. 



April 10. — Fine clear dry day, the wind NE. very early ; 

 soon after a SE gale arose, cirri, cumuli, &c. 



April 1 1 . — Quite cloudless all day ; the blue sky not 

 very deep though wind N. and then SE. Thermometer as 

 low as 32^ in the night. Barometer high, 



A[^ril 12. — Misty morning, clear day, mist again in the 

 evening, detached features of cirrocumulus at 1 1 P.M. 

 Barometer 30. 95. Therm. 48°. 



April 13. — Clear with some cumuli in the morning, and 

 some cirri in confused lines, that is, none of them at all 

 angular; very dry and clear in the afternoon. Wind N 

 and E. Barom. 29 38. Maximum of Therm. 63. Mini- 

 mum in night 35. 



April \ a'. — The same kind of clear dry morning, after- 

 wards flockv, elevated kind of clouds were spread about 

 which seemed going into a state of cirrocumulus, faint fea- 

 tures of cirrostratus and cumulostralus below them also 

 appeared. Max. of thermometer es**. Barometer 30. 48. 

 QumuliaW disappeared before six, when it became cloudless. 



April 



