If the stellar spectrograph is viewed in the focus of 0 2 and the converging rays are reflected by the prism P2 to P4, no image would be seen in the eyepiece, for the rays would pass out directly through the parallel glass plate which is formed by the cementing together of the prisms P 3 and P 4.
By the converging lines of the Atlantic and Chile.
The notion that all the kinds of animals and plants may have come into existence by the growth and modification of primordial germs is as old as speculative thought; but the modern scientific form of the doctrine can be traced historically to the influence of several converging lines of philosophical speculation and of physical observation, none of which go further back than the 17th century.
Lofty lines of fold mountains form the " backbones " of North America in the Rocky of Mountains and the west coast systems, of South America in the Cordillera of the Andes, of Europe in the Pyrenees, Alps, Carpathians and Caucasus, and of Asia in the mountains of Asia Minor, converging on the Pamirs and diverging thence in the Himalaya and the vast mountain systems of central and eastern Asia.
Snow accumulating on the higher portions of the land, when compacted into ice and caused to flow downwards by gravity, gives rise, on account of its more coherent character, to continuous glaciers, which mould themselves to the slopes down which they are guided, different ice-streams converging to send forward a greater volume.
The extent of the origin of this muscle from the sternum, on which it leaves converging, parallel or diverging impressions, is of some taxonomic value.
Or groups of sidings, equal in length at least to the longest train run on the line, branching out from a single main track and often again converging to a single track at the other end; the precise design,..
Here, at the highest level, there are a number of " upper reception lines " converging to a single line which leads to a group of " sorting sidings " at a lower level.
Converging currents from E.
The autocrat and Lucien Bonaparte were almost alone in believing that by dissolving the chambers and declaring himself dictator, he could save France from the armies of the powers now converging on Paris.
We may conceive of the Third Crusade under the figure of a number of converging lines, all seeking to reach a common centre.
Nicolaus Germanus, a monk of Reichenbach, in 1466 prepared a set of Ptolemy's maps on a new projection with converging meridians; and Paolo del Pozzo Toscanelli in 1474 compiled a new chart on a rectangular projection, which was to guide the explorer across the western ocean to Cathay and India.
The present outer harbour covers about 300 acres and is formed by two converging jetties and a breakwater.
Inside the magnet the course of the flow is from the south pole to the north pole; thence it diverges through the surrounding space, and again converging, re-enters the magnet at the south pole.
The streets of Dunkirk are wide and well paved, the chief of them converging to the square named after Jean Bart (born at Dunkirk in 1651), whose statue by David d'Angers stands at its centre.
The second system - the Central or Goyana - consists of two distinct chains of mountains converging toward the north in the elevated chapadao between the Tocantins and Sao Francisco basins.
The latter found that certain gratings exercised a converging power upon the spectra formed upon one side, and a corresponding diverging power upon the spectra on the other side.
These, under Sir Archibald Hunter and Sir Leslie Rundle, successfully herded Prinsloo with 4000 Free Staters into the Brandwater Basin (July 29) - a very satisfactory result, but one seriously marred by the escape of De Wet, who soon afterwards raided the Western Transvaal and again escaped between converging pursuers under Kitchener, Methuen, SmithDorrien, Ian Hamilton and Baden-Powell.
In the south-eastern Transvaal Botha made a new effort to invade Natal, but, although he captured 300 men and three guns in an action on the 17th of September at Blood River Poort near Vryheid, his plans were rendered abortive by his failure to reduce the posts of Mount Prospect and Fort Itala in Zululand, which he attacked on the 26th, and he only escaped with difficulty from the converging columns sent against him.
With proper support from Bavaria the Hanoverians could perhaps have escaped intact; but the Bavarians considered that their allies (about 20,000) were strong enough by themselves to destroy whichever of the converging Prussian columns tried to bar their way, and actually the Hanoverian general v.
The principal continuous thoroughfares within the metropolis, though each bears a succession of names, are coincident with the main roads converging upon the capital from all parts of England.
Rf > a> b> o> a'> -Do; and then so that PT =c/Zir, and the curve AP is the tractrix; and the coefficient of contraction, or breadth of the jet breadth of the orifice - +i' A change of S2 and 0 into nS2 and nO will give the solution for two walls converging symmetrically to the orifice AA 1 at an angle zr/n.
Generally, by making a' = -oo, the line x'A' may be taken as a straight stream line of infinite length, forming an axis of symmetry; and then by duplica tion the result can be ob A tained, with assigned n, a, and b, of the efflux from a symmetrical converging FIG.
Indeed the prime value of the Shepherd is the light it casts on Christianity at Rome in the otherwise obscure period c. I10-140, when it had as yet hardly felt the influences converging on it from other centres of tradition and thought.
In cases of myopia or short-sight owing to weakness of the internal recti muscles, the eyes in looking at a near object, instead of converging, tend to turn outwards, and so double vision results.
His retreat from Jaroslau to Warsaw, with the fragments of his host, amidst three converging armies, in a marshy forest region, intersected in every direction by well-guarded rivers, was one of his most brilliant achievements.
In the region of tropical hurricanes the navies, while in the Mediterranean and in the Indian Ocean converging wind system of a circular storm causes a heaping many soundings were made in connexion with submarine up of water capable of devastating the low coral islands of the cables to the East.
And N.E., converging at Antioch, follow the course of the stream up to Homs, where they fork to Damascus and to Coele-Syria and the S.; and along its valley have passed the armies and traffic bound to and from Egypt in all ages.
The two forks are fixed so that one vibrates in a vertical, and the other in a horizontal, plane, and they are so placed that a converging beam of light received on one mirror is reflected to the other and then brought to a point on a screen.
The 2nd and 4th Armies were the left wing of a widespread converging movement on Liao-Yang.
A converging movement made by Grant from Grand Junction, W.
But the Confederates, marching swiftly up the Valley, slipped between the converging columns of Fremont from the west and McDowell from the east, and concluded a most daring campaign by the victorious actions of Cross Keys and Port Republic (8th and 9th of June).
About the same time John Machin calculated it correct to Ioo places, and, what was of more importance, gave for the ratio the rapidly converging expression 4 _ I I 5 I 3152+ 5 1 54 - 7 1 5b?.
North of the divide between the St Lawrence system and Hudson Bay there are many large rivers converging on that inland sea, such as Whale river, Big river, East Main, Rupert and Nottaway rivers coming in from Ungava and northern Quebec; Moose and Albany rivers with important tributaries from northern Ontario; and Severn, Nelson and Churchill rivers from the south-west.
Apart from one or two fine thoroughfares converging to the Place Bonaparte, the streets are mean and narrow and the town has a deserted appearance.
It is formed chiefly of slates, grits and porphyries of the Cambrian and Silurian systems. It consists of five "ribs" converging at the summit, 3560 ft.
Thus Kandahar becomes a sort of focus of all the direct routes converging from the wide-stretching western frontier of India towards Herat and Persia, and the fortress of Kandahar gives protection on the one hand to trade between Hindustan and Herat, and on the other it lends to Kabul security from invasion by way of Herat.
Tomb of rectangular plan with converging walls closed at the top by a single course of stones.
It was regarded by the Romans as the strongest position in Numidia, and was made by them the converging point of all their great military roads in that country.
The anthers oblong and converging; the ovary is globose, and has three furrows; the seeds are roundish and black.
15), the attachment to the flange of the declination axis is placed as close as it can be to the axis of the tube without interfering with rays converging from the object-glass to any point in the field of view.
21 (a), the converging rays from the 60-in.
Within the focus of the object-glass is a right-angled prism of total reflection, which diverts the converging rays from the object-glass at right angles to the axis of the telescope, and permits the observing micrometer n to be mounted in the very convenient position shown in the figure.
Four great rivers traverse or skirt the plain of Oudh in converging courses - the Ganges, the Gumti, the Gogra and the Rapti.
The rest is a consideration of scientific inquiry as converging in aov T o-cs the investigation of g g µ ??
The converging retreat of the IV.
Converging and Diverging Trains of M~hanism.Two or more trains of mechanism may converge into oneas when the two pistons of a pair of steam-engines, each through its own connectingrod, act upon one crank-shaft.
The principles of comparative motion in uch converging and diverg.
TANTA, a town of Lower Egypt, in a central position nearly midway between the two main branches of the Nile, and converging-point of several railways traversing the Delta in all directions.
Long, lined with masonry, the sides converging to form the roof.