It must have been between 1160 and 1209 that he held this position; but the date at which he lived and wrote cannot be more accurately determined.
The average speed is obtained very accurately from solar and stellar observations for the position of the ship. The difference between the speed of the ship and the rate of paying out gives the amount of.
27 9) that the inhabitants of Colchis whom, like Herodotus (ii., 104) he looks upon as the descendants of Egyptian colonists, preserved, as heirlooms, certain graven tablets (Kbp(€ls) on which land and sea, roads and towns were accurately indicated.
851) which accurately represents the view entertained of this people by mariners down to modern times.
In 1757 he presented a telescope to the king, so accurately driven by clockwork that it would follow a star all night long.
Condition (3) can be accurately FIG.
As we have already stated, the distribution of the capacity along the resistance R must in submarine cable work be made to correspond very accurately with the distribution of the capacity along the resistance of the cable.
It is a striking example of the difficulty of getting people to use their own powers of investigation accurately, that this form of the doctrine of evolution should have held its ground so long; for it was thoroughly and completely exploded, not long after its enunciation, by Caspar Frederick Wolff, who in his Theoria generationis, published in 1759, placed the opposite theory of epigenesis upon the secure foundation of fact, from which it has never been displaced.
It is clear that the later traditions in many respects accurately summed up the performances of the " Minoan " dynast who carried out the great buildings now brought to light.
There are no setae and apparently only two pairs of nephridia, of which the anterior pair open commonly by a common pore on the third segment after the head, whose segments have not been accurately enumerated.
In a modern industrial community it is possible to express this standard fairly accurately for the purposes of economic investigation in terms of money.
Through these two men a military revolution was speedily accomplished, and early in 69 Vitellius was proclaimed emperor at Colonia Agrippinensis (Cologne), or, more accurately, emperor of the armies of Upper Germany and Lower Germany.
Obtained approximately by observing the position of the weight on the scale, or it may be obtained more accurately in the follow FIG.
8) is graduated into equal divisions, and the weight is provided with a sharp tongue of metal in order that its position on the shelf may be accurately determined.
The site, which had been accurately determined by Leake, was explored by Strack in 1862, and the researches subsequently undertaken by the Greek Archaeological Society were concluded in 1879.
It is difficult to determine which configuration most accurately explains the observed facts; Kekule's formula undoubtedly explains the synthetical production of benzenoid compounds most satisfactorily, and W.
It was in connexion with these latter inquiries that he devised his phosphoroscope, an apparatus which enabled the interval between exposure to the source of light and observation of the resulting effects to be varied at will and accurately measured.
The facts as to the position of an opponent accurately observed and correctly reported at a given moment, afford no reliable guarantee of his position 48 hours later, when the orders based on this information enter upon execution.
The general trend of these researches lies in the study of the decomposition or " breaking down " products of the albumin molecules; once these are accurately determined, the synthesis of an albumin is but a matter of time.
The slides are accurately fitted so as to have no sensible lateral shake, but yet so as to move easily in the direction of the greatest length of the micrometer box.
Amongst the Romans, private hospitality, which had existed from the earliest times, was more accurately and legally defined than amongst the Greeks.
The speed of the ship can be roughly estimated from the speed of the engines; it is more accurately obtained by one or other of the various forms of log, or it may be measured by paying out continuously a steel wire over a measuring wheel.
The Englishman Grew and the Italian Malpighi almost simultaneously published ifiustrated works on the subject, in which they described, for the most part very accurately, what they saw with the new instruments.
The word metamorphosis cannot, in fact, be used any longer in its original sense, for the change which it implied does not normally occur in ontogeny, and in phylogeny the idea is more accurately expressed by the term differentiation.
At both types of crossing, check rails (c) must be provided to guide the wheel-flanges, and if these are not accurately placed the safety of the trains will be endangered.
This name is twice translated "adder," but as nothing is told of it beyond its poisonous character and the intractability of its disposition, it is impossible accurately to determine the species.
(2) The preparation of the solution of the substance consists in dissolving an accurately determined weight, and making up the volume in a graduated cylinder or flask to a known volume.
But this relation is not rigorously true; in fact, it does not accurately express the behaviour of any gas.
The more accurately the coloured portion is defined, the higher is the animal esteemed.
To the eye the contrast between the wide winding irregular passages of the sand-pit, calculated for the admission of a horse and cart, and the narrow rectilinear accurately-defined galleries of the catacomb.
The struc ture of the lateral eye of Limulus was first described by Grenacher, and further and more accurately by Lankester and Bourne (5) and by Watase; that of Scorpio by Lan kester and Bourne, FIG.
As alum and green vitriol were applied to a variety of substances in common, and as both are distinguished by a sweetish and astringent taste, writers, even after the discovery of alum, do not seem to have discriminated the two salts accurately from each other.
I fathomed it easily with a cod-line and a stone weighing about a pound and a half, and could tell accurately when the stone left the bottom, by having to pull so much harder before the water got underneath to help me.
And to all Denisov's persuasions, Petya replied that he too was accustomed to do everything accurately and not just anyhow, and that he never considered personal danger.
I'll attempt to relate my thoughts and feeling as accurately as possible.
Those cells are accurately marked, the position of which is such that the colonies, to which they give rise, can grow to their full size without coming into contact with other colonies.
" test pillars " are placed for the purpose of enabling possible faults to be accurately located.
The synchronous revolutions of the transmitting cylinders are effected by making one cylinder revolve slightly faster than the other; after each revolution the cylinder which is accelerated is arrested for a moment by means of a special relay until the difference of speed is accurately compensated for.
There are about twenty species, but the number cannot be very accurately defined - several, usually regarded as distinct, being probably merely variable forms of the same type, and the ease with which the trees intercross has led to the appearance of many hybrids.
The hard fore-wings (elytra) are strengthened with marginal ridges, usually inflected ventrally to form epipleura which fit accurately along the edges of the abdomen.
There is a well-known story of the last of the race being killed by Sir Ewen Cameron of Lochiel in 1680, but there is evidence of wolves having survived in Sutherlandshire and other parts into the following century (perhaps as late as 1743), though the date of their final extinction cannot be accurately fixed.
Since the intrinsic energy of a substance varies with the conditions under which the substance exists, it is necessary, before proceeding to the practical application of any of the laws mentioned above, accurately to specify the conditions of the initial and final systems, or at least to secure that they shall not vary in the operations considered.
Where the lines are crowded together, as in the neighbourhood of the poles, the force is greater (or the field is stronger) than where they are more widely separated; hence the strength of a field at any point can be accurately specified by reference to the concentration of the lines.
Let 21=the length of the rod (or, more accurately, the distance between its poles), v= its volume, m and - m the strength of its poles, and let d= the distance CM.
The magnetometric method, except when employed in connexion with ellipsoids, for which the demagnetizing factors are [[[Magnetic Measurements]] accurately known, is generally less satisfactory for the exact determination of induction or magnetization than the ballistic method.
He is unsuitable now, just because he plans out everything very thoroughly and accurately as every German has to.
Connor's description of being in the holding cell 'losing his mind and living a nightmare' accurately described his feelings.
These different tasks, which philosophy had to fulfil, mark pretty accurately the aims of Lotze's writings, and the order in which they were published.
He produced a solid body of accurately described facts which has formed the secure groundwork of subsequent advance.
The study of the differentiation of protoplasm was at that time seldom undertaken, and no particular attention was paid either to fixing it, to enable staining methods to be accurately applied to it, or to studying the action of chemical reagents upon it.
Known quantities of the solutions are taken, and the temperature of each is accurately measured before mixing, the solutions having been allowed as far as possible to adjust themselves to the same temperature.
These excerpts, however, have been so pieced together, that it is often impossible to separate them with precision, and to distinguish accurately between earlier and later elements.
The stone lid of the coffer was split into four pieces; but the coffer remained perfectly closed, so accurately was the lid fitted into flanges on the sides of the box.
Nothing is known with certainty as to the origin of the vast majority of breeds of dogs, and it is an unfortunate fact that the progressive changes which have been made within comparatively recent times by fanciers have not been accurately recorded by the preservation, in museums or collections, of the actual specimens considered typical at different dates.
The loss of the Turks and Egyptians was never accurately reported, but it was certainly very great.
Upon the central neck was wound a coil consisting of one or two layers of very fine wire, which was connected with a ballistic galvanometer for measuring the induction in the iron; outside this coil, and separated from it by a small and accurately determined distance, a second coil was wound, serving to measure the induction in the iron, together with that in a small space surrounding it.
- It has long been known that iron, when raised to a certain " critical temperature " corresponding to dull red heat, loses its susceptibility and becomes magnetically indifferent, or, more accurately, is transformed from a ferromagnetic into a paramagnetic body.
They accurately described the construction of DNA as a double helix and showed how its structure made replication both possible and reliable.