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and, going through the alphabet, if necessary, as before, we arrive at the word 'tree' as the sole possible reading. "Looking beyond these words, for a short distance, we again see the combination ;4S, and employ it by way of TERMINATION to what immediately precedes. or, substituting the natural letters, where known, it reads thus: the tree thr ?3h the.

The correction is given by the following table Thus at a port where the establishment was 3h. 25m., let us suppose that the transit of the moon took place at 6 P.M.; then we correct the establishment by -60m., and find the luni-tidal interval to be 2h. 25m., and accordingly the high water takes place at 8h. 25m. But even this method is only an approximation.

P.M., and that the moon had crossed the meridian 56m. previously; on the 8th Jan. the tide was high at 0h. 43m. P.M., and the moon had crossed the meridian 2h. 1m. previously. Therefore we would have at London Bridge high water following the moon's transit in somewhere about an hour and a half. I choose a day at random, for example the 12th April. The moon crosses the upper meridian at 3h. 39m.

H AsO + MgCl + 3NH OH = MgNH AsO + 2NH Cl + 3H O. !Answer!: 30.71 grams. !Answer!: 25.60 cc. If 0.6742 gram of a mixture of pure magnesium carbonate and pure calcium carbonate, when treated with an excess of hydrochloric acid, yields 0.3117 gram of carbon dioxide, calculate the percentage of magnesium oxide and of calcium oxide in the sample. !Answers!: 13.22% MgO; 40.54% CaO. 92.

Senua, 20th December, 1839. Bar. 1. 30.054 86 87 3h 15m P.M. 2. 28.385 79 80 Lengan Lengang, 21st December. Bar. 1. 30.119 79 78.5 6h 30m A.M. 2. 27.988 70 69.5 6h 0m " Lokar Peak, 21st December, 100 feet below summit. Bar. 1. 30.095 90 90 10h 30m A.M. 2. 25.975 79 79 Hill on the way to Lumpu Balong, 22d December. Bar. 1. 30.144 90 90 Mean between 8h and noon. 2. 23.612 ... 66 65.5 10h 40m A.M.

Berosa and brickyard, both were near Wood-stock, the former home of Corporal Sutton; he was ready and eager to pilot us up the river; the moon would be just right that evening, setting at 3h. 19m. A.M.; and our boat was precisely the one to undertake the expedition.

and, going through the alphabet, if necessary, as before, we arrive at the word 'tree, as the sole possible reading. "Looking beyond these words, for a short distance, we again see the combination ;48, and employ it by way of termination to what immediately precedes. or, substituting the natural letters, whereknown, it reads thus: the tree thr‡?3h the.

and, going through the alphabet, if necessary, as before, we arrive at the word 'tree' as the sole possible reading. "Looking beyond these words, for a short distance, we again see the combination ;48, and employ it by way of termination to what immediately precedes. or, substituting the natural letters, where known, it reads thus: the tree thr$?3h the.

Jupiter rises on the 1st at 4 h. 39 m. and on the 31st at 3h. morning; he has now receded far enough from the sun to render the eclipses of his nearest moon visible; the first immersion will take place on the 3rd at 6 h. 39 m. 4 s. morning; the next on the 19th at 4 h. 54 m. 42 s. morning, and the last on the 26th at 6 h. 48 m. 14 s. morning, those being the only ones that happen during the month.

We may write the above compounds thus: H SO , H SO H O, H SO 2H O. If we measure the heat evolved in the formation of the two latter compounds, it is, for H SO +H O, 6.272; H SO +2H O, 3.092. But if we now take the compound H SO +3H O we have heat evolved 1.744; so we can have H SO 4H O, etc. Where are we to draw the line between atomic and molecular combination, and why?