The Civil engineer and architect's journal, scientific and railway gazette . nots. Speed of wave deduced, 24 nautical miles per hour. Sec. 2 11-0 lOO Mean time of wave passing from spar to stern. Experiment, No. 7inil) :i-ii 90Im-0908-095 9/79-0 7*8 Mean time of wave passing from spar to stern. Experiment, No. of wave, 33 of ship, G of wave deduced, 22 1 nautical miles per hour. Experiment, No. 6. Length of wave, 57 fathoms, j Sea irregular;Height of wave, 22 feet. \ observations Speed of ship, 7 knots. J not very good. Speed of wa
The Civil engineer and architect's journal, scientific and railway gazette . nots. Speed of wave deduced, 24 nautical miles per hour. Sec. 2 11-0 lOO Mean time of wave passing from spar to stern. Experiment, No. 7inil) :i-ii 90Im-0908-095 9/79-0 7*8 Mean time of wave passing from spar to stern. Experiment, No. of wave, 33 of ship, G of wave deduced, 22 1 nautical miles per hour. Experiment, No. 6. Length of wave, 57 fathoms, j Sea irregular;Height of wave, 22 feet. \ observations Speed of ship, 7 knots. J not very good. Speed of wave deduced, 2fJ2 nautical miles per hour. Length of wave, 30 ^o 60 fathoms. Height of wave.— Speed of ship, 5 knots. Speed of wave deduced, 22 1 nautical miles per hour 6/62-5 5808 57-012-5W-0 Mean time of wave going from spar to , No. 7. Length of wave, .-^5 fathoms. Height of wave, 17 feet. Speed of ship, 7-8 knots. Speed of wave deduced, 22 nautical miles per hour. 7/62-0 8-9 Mean time of sea passing from spar to of Note.—The numbers denoting the strength of the wind aie those used by AdmiralBeaufort. 1848.] THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 311 Atmospheric Waves. Report on Atmospheric Waves. By Mr. Birt. The report consists of three parts:—The tirst denoting the information wenow possess relative to such waves as have been determiaed : the secondtreating of the barometric curves which result from the crossing of theEorth-westerly and south-westerly waves, the two principal systemscommon to Europe—the most prominent subject being that particularcurve known as the great symmetrical wave of November: and thethird embodying the results that have been obtained during the last yearillustrative of the symmetry of the great wave, more particularly thelocality of greatest symmetry and the departure from symmetry in certaindirections. Under the second head, the author has thrown together theresult of bis inquiries
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