The velocity of propagation of electric waves is the same as that of light, viz., about moo million feet, or 300 million metres, per second.
And 40 metres for i m.
2 and 7.8 metres-differ notably.
He found the gradient nearly uniform for heights up to 30 to 40 metres above the ground.
Thus at 4000 metres the potential seems of the order of 150,000 volts.
Thus on the 1st of July 1901, at a height of 2400 metres, H.
Between 1500 and 4000 metres the charge inside the unit tube is much less, only 0.000040.
The new comedy of Greece was probably limited for the most part to scenes written in the metres of dialogue; it remained for Plautus, as Leo has shown, to enliven his plays with cantica modelled on the contemporary lyric verse of Greece or Magna Graecia, which was in its turn a development of the dramatic lyrics of Euripides.
The lyrical metres of Plautus are wonderfully varied, and the textual critic does well not to attempt to limit the possibilities of original metrical combinations and developments in the Roman comedian.
Five plays have been translated in the metres of the original by Sugden (1893).
The only part of the sea-bed the configuration of which is at all well known is the zone bordering the coasts where the depth is less than about loo fathoms or 200 metres, i.e.
This curve with the values reduced from metres to feet is reproduced below.
In his translation he discarded the native Saturnian metre, and adopted the iambic, trochaic and cretic metres, to which Latin more easily adapted itself than either to the hexameter or to the lyrical measures of a later time.
It contains also an account of the metres used by Boetius in the Consolatio, and a list of the passages which he has borrowed from the tragedies of Seneca.
The gauge may be either 1.44 metres (4 ft.
Gauge must not be less than 250 metres, loo metres for the 1 m.
Gauge and 50 metres for the 75 m.
A straight length of not less than 60 metres for the largest gauge and 40 metres for the smallest must be made between two curves having opposite directions.
Except in special cases, gradients must not exceed 3 in moo; and between gradients in the opposite sense there must be not less than 60 metres of level for 1.44 m.
In length, the sharpest curves are 30 metres, 35 metres and 40 metres respectively.
Penck on a scale of 1: i,000,000, which has been undertaken by the leading governments of the world, the ground is shown by contours at intervals of ioo metres (to be increased to 200 and Soo metres in mountainous districts); the strata are in graded tints, viz.
Blue for the sea, green for lowlands up to 300 metres, yellow between 300 and Soo metres, brown up to 2000 metres, and reddish tints beyond that height.
Dorpfeld, we assume an Attic stadium of 200 steps (500 ft.) to be equal to 164 metres, a degree of 700 stad.
Would be equal to 114,800 metres, its actual length according to modern measurement being I Io,808 metres.
These miles, however, were not the ordinary Roman miles of l000 paces or 5000 ft., but smaller miles of Greek or Oriental origin, of which six were equal to five Roman miles, and as the latter were equal to 1480 metres, the Portolano miles had a length of only 1233 metres, and 75 2 of the former, and 90 3 of the latter were equal to a degree.
(3-57 metres) and is hollow, the inner surface of the shell being covered with a star map, and the outer surface with a map of the world.
In 1787 had a diameter of 26 metres, or 85 ft.
18 metres, occupied Leicester Square until swept away as a nuisance.
The hills are hachured and in some instances contours at intervals of 50 metres are introduced.
They are printed in three colours, contours at intervals of 10 and 20 metres being in brown, incidental features (ravines, cliffs, glaciers) in black or blue.
The last is printed in five colours, the ground is shown in contours of io metres interval and grey stippling.
About a hundred epigrams by him in various metres (the elegiac predominating) have been preserved.
The fixed rent is pp piastres per jerib (about 10,000 square metres), to he paid whether the mine is worked or not.
They were divided into: prames, ship-rigged, of 35 metres long and 8 wide, carrying 12 guns; chaloupes cannonieres, of 24 metres long and 5 wide, carrying 5 guns and brig-rigged; bateaux cannoniers, of 19 metres long by 1.56 wide, carrying 2 guns and mere boats.
A very large amount of local detailed observation in the various sea-areas must be the next important work to be undertaken: this means currentobservations b y direct readings of metres, by the employment of drift-bottles and numerous determinations of temperature and salinity at all seasons.
It became clear that only very rough estimates of the numbers of planktonic organisms in a volume of sea-water as large as (say) 10 cubic metres could be made, but that these estimates could nevertheless be trusted to show very marked regional and seasonal differences.
Daux, discovered the jetties and the moles of the commercial harbour, and the line of the military harbour (Cothon); both harbours, which were mainly artificial, are entirely silted up. There remains a fragment of the fortifications of the Punic town, which had a total length of 6410 metres, and remains of the substructions of the Byzantine acropolis, of the circus, the theatre, the water cisterns, and of other buildings, notably the interesting Byzantine basilica which is now used as an Arab cafe (Kahwat-el-Kubba).
This observatory, the foundations of which were fixed in the snow that appears to cover the summit to a depth of ten metres, was built in September 1893, and Janssen, in spite of his sixty-nine years, made the ascent and spent four days taking observations.
A in metres = 1 117653 Log.
The average rainfall throughout the whole Amazon valley is estimated by Reclus as " probably in excess of 2 ' metres " (78.7 in.), and the maximum rise of the great flood is about 45 ft.
Till the beginning of Scale, 1:72,000 English Mile o;: Contours at intervals of10 metres 32~8 feet Railways C.S.Pancgla Bay of Thapsus Tern A rec h usa ascon of.
Or more per annum), the volume of water entering Albert Nyanza by the Semliki when in flood being not less than 700 cubic metres per second.
Of the water received by Albert Nyanza annually (omitting the Victoria Nile from the calculation) between 50 and 60% is lost by evaporation, whilst 24,265,000,000 cubic metres are annually withdrawn by the Bahr-el-Jebel.