70 Kept at the Observatory of the Naval Academy, Gosport. The units under "Clouds" represent the days on which each modification of cloud has appeared. The observations in each line of this Table, under Barometer, Thermometer, Wind, and Rain, are for a period of 24 hours, beginning at 8 AM. RESULTS. BAROMETER(Maximum...... 30.80 Feb. 28th, Wind E. Range of the Mercury for the lunar period, ending the 21st instant.. 30-185 30-157 30-074 30-240 6.760 0.820 22. 56 on four different days. 25 46:39 Number of Changes, caused by the variations in the Weight of the Atmosphere... Range...... Maximum.. Mean temperature of the Air ........ for 29 days with the Sun in Aquarius. 46-19 Greatest variation in 24 hours... Mean temperature of spring water at 8 AM... Greatest humidity of the Air.. 22.00 DE LUC'S WHALEBONE HYGROMETER. 100° in the evening of the 17th. ...... 42 in the afternoon of the 27th. Range of the Index Mean at 2 o'clock PM. at 8 Do... AM. -- at 8 Do... PM. of 3 observations each day at 8, 2, and 8 o'clock Evaporation for the month Prevailing Winds. SW. 58 1.150 inch. ..... 2060 ditto. A SUMMARY OF THE WEATHER. A clear sky, 5; fair, with various modifications of clouds, 10; an overcast sky, 74; foggy, 1; rain and hail, 4.-Total, 28 days. CLOUDS. 15 14 SW W NW Days. NEW PATENTS. D. Loescham, Newman-street, Oxfordstreet, and J. Allwright, Little Newportstreet; for an improved keyed musical instrument. Communicated to him by a foreigner. Jan. 14. A. Gordon, London, and D. Gordon, Edinburgh, Esqrs.; for improvements and additions in the construction of lamps, and of compositions and materials to be burned in the lamps, and which may also be burned in other lamps. Jan. 14. D. Gordon, Edinburgh, Esq.; for improvements and additions to steam-packets, and other vessels; part of which improve ments are applicable to other naval and marine purposes. Jan. 14. A. Applegath, Duke-street, Lambeth; for improvements in printing machines. Jan. 14. J. Hague, Great Pearl-street, Spitalfields; for a method of making metallic pipes, tubes, or cylinders, by the application and arrangement in the apparatus of certain machinery and mechanical powers. Jan. 29. Sir W. Congreve, Bart.; for improved methods of multiplying fac-simile impressions to any extent. Jan. 29. P. Ewart, Manchester; for a new me. thod of making coffer-dams. Jan. 29. R. Bill, Newman-street; for an im proved method of manufacturing metallic tubes, cylinders, cones, or of other forms, adapted to the construction of masts, yards, booms, bowsprits, casks, &c. Feb. 5. F. L. Talton, New Bond-street; for an astronomical instrument or watch, by which the time of the day, the progress of the ce lestial bodies, as well as carriages, horses, or other animals, may be correctly ascer tained. Partly communicated to him by a foreigner. Feb. 9. G. H. Palmer, Royal Mint; for im provements in the production of heat, by the application of well-known principles not hitherto made use of in the construction of furnaces of steam-engines and of airfurnaces in general, whereby a considerable saving of fuel is obtained, and the total consumption of smoke may be effected. Feb. 12. J. F. Smith, Esq. Dunston-hall, Chesterfield; for improvements in dressing of piece goods made from silk or worsted, or of both these materials. Feb. 12. S. Davis, Upper East Smithfield; for an improvement upon the lock for guns, &c. enabling the lock to be used upon the percussion principle, or with gunpowder, without charging the lock or hammer. Feb. 12. COURSES OF FOREIGN EXCHANGE AT Paris. Hamburg. Amsterdam Vienna. Nuremberg Berlin. Naples. Leipsig. Bremen 18 Mar. 12 Mar. 18 Mar. 6 Mar. 12 Mar.12 Mar. 1 Mar. 11 Mar. 7 Mar. 580 841 22.80 154 42-80 147 ON 6.17 80 615 Hamburg. 182 354 134 Amsterdam 584 1061 145 47-60 1384 125 40 Franckfort. 32 105 57-50 101 993 1043 100 111 Augsburg. 249 994 1054 57.7 100 1101 Genoa...... 472 19.05 Leipsig.... 148 Leghorn... 510 117.60 ... Lisbon. 555 Cadiz....... 15-65 371 41 494 934 1044 63 1031 104 371 414 HIGHEST AND LOWEST PRICES OF COALS (IN THE POOL), s. d. s. d. Newcastle. 31 0 to 41 0 Sunderland 31 6 to 42 0 March 4. s. d. s.. d. 31-0 to 39-6 30 0 to 41 3 March 11. 8. d. s. d. 31 6 to 40 0 33 3 to 0 0 March 18. s. d. s. d. 31 0 to 41 0 32 6 to 42 9 |