Meteorological Observations made at Clapton. 405 



impioved method of prf paring timber, whereby the same is 

 prevented from shrinking. — olh May. 



To Bassett Burrows, of Birmingham, in the county of 

 Warwick, hatter, fur his method of manufacturing water- 

 proof hats. — 5lh May. 



To Henry Higginson, of Wilson Street, in the parish of 

 St. Luke, iind county of Middlesex, esq., (inconsequence 

 of a communication made to him by a certain foreigner 

 residine: abroad), for a new method or methods of pro- 

 pelling'boats or vessels with tlie aid of steam or any other 

 power. — 9th May. 



To Col. Wm. Congreve, of Cecil Street, in the county 

 of Middlesex, for his improved system of gun and car- 

 ronade carriages. — llth May. 



To HenrvErrington, of the city of Bath, schoolmaster, 

 for an instrument called the " Navigator's Sector," by which 

 any person is enaliled to ascertain the difference of latitude, 

 departure from the. meridian, and distance sailed, with the 

 course ; also to solve any problenj, geometrically, that may 

 be required to show the angles, hypothenuse, ptrpei^uli- 

 cular, and base. — 14th May. 



To Edward Shorter, of -Raron's Buildings, Blackfriars 

 Road, in the county of Surrey, engineer, for various 

 improvements in the construction of tunnels and subter- 

 raneous passages. — lyth May. 



To Jeremiah Dimmock, of Moor Croft iron-works in the 

 parish of Bilston, in the county of Stafford, manufacturer of 

 iron, for his new method of manufacturing iron — 26th May. 



Meteorological Observations made at Clapton in Hackney , 

 from April 1], to Ma7j <2.0, 1812. 



ylpril 21. — Clear with cumuli and some cumitlosfralus. 



April 22. — N. Cold wind, clear sky; then came cumuli 

 sailing along, while flimsy cirri appeared higher : some cu- 

 mulodratus afterwards obscured the sky at times. 



April 23. — N. Clear; cumuli sailed over from the north ; 

 above them in a higher air appeared now and then a veil of 

 cirrus passing over slower in the same direction, and as- 

 suming more or less of the fibrous texture, and here and 

 there breaking out into cirrocumulus of little stelliform 7ju- 

 biculce; afterwards cumuloslratus and light nimbi. Clear 

 night ; drops of rain fell when there was no apparent cloud 

 about seven o'clock. 



April 2 1.— N, Clear ar])' ; cumulostrafus and afterwards 

 ^imbi popring snow and slect passed over with the wind. 



lu 



