The astrolabe which Chaucer gave to his little son Lewis was adapted for the latitude of Oxford.
I here quote from my Preface to Chaucer's Astrolabe (E.
Centre' was a technical name for the end of the small brass projection on the 'rete' of an astrolabe which denoted the position of a fixed star (usually of the first magnitude).
She had turned to the astrolabe again, and was idly tracing out the incisions in one of its hoops with her supple forefinger, when she next spoke.
At the end of one of the yew walks was a rusty astrolabe on a moss-grown marble pedestal, and by this he found her.
Leaving Potsdam Harbour and the Monumbo, and moving still eastward along the coast of German New Guinea, we come to a large indentation known as Astrolabe Bay.
The Russian traveller, Baron Miklucho-Maclay, has described a curious funeral ceremony which is observed by some of the Papuans of Astrolabe Bay.
Hagen, who spent about eighteen months at Stefansort on Astrolabe Bay.
Like the Papuans in general, the Tamos of Astrolabe Bay are a settled agricultural people, who dwell in fixed villages, subsist mainly by the produce of the ground which they cultivate, and engage in a commerce of barter with their neighbours.
Miklucho-Maclay, who has also given us an account of the Papuans of Astrolabe Bay,[390] though not apparently of the villages described by Dr.
Sidenote: Sham fight as a funeral ceremony atAstrolabe Bay.
Portugal, and was associated with Martin Behaim in the invention of an improvedastrolabe which greatly facilitated ocean navigation.
A week later, after a run of about 900 miles, his astrolabe seemed to show that he was within five degrees of the equator.
The war with Castile was out of the way, and Martin Behaim had just invented an improved astrolabe which made it ever so much easier to find and keep one's latitude at sea.
The astrolabe continued to be employed in Great Britain in taking altitudes for more than a century subsequent to this, certainly till Hadley's Quadrant was invented, which was first announced in 1731.
Mr. Russell, who examined the astrolabe thus found with great care and had it photographed, describes it as a circular plate having a diameter of five inches and five eighths.
We give on the preceding page an engraving of this astrolabe from a photograph, which presents a sufficiently accurate outline of the instrument.
Thomas Blundevile, who wrote in 1622, says he had seen three kinds, and that the astrolabe of Stofflerus had then been in use a hundred years.
Let the astrolabe be suspended so that it shall hang plumb.
And a third entitled The Astrolabe of Samuel Champlain and Geoffrey Chaucer, by Henry Scadding, D.
The astrolabe is more commonly used by the Arabs than any other instrument for astronomical observations.
The Zealous and the new Astrolabe wellnigh perished, but my Nautilus is in no danger.
And I'll be able to visit those famous islands where the Compass and the Astrolabe came to grief?
The Astrolabe went to its rescue and also ran aground.
The commander of the new Astrolabe then had a monument erected under a tuft of mangrove, in memory of the famous navigator and his companions.
Constantly tossed about by hurricanes, the Zealous and the new Astrolabe couldn't compare with the Nautilus, a quiet work room truly at rest in the midst of the waters!
Natives ofAstrolabe Bay, in German New Guinea, wipe out their spittle for the same reason;(1049) and a like dread of sorcery prevents some natives of German New Guinea from spitting on the ground in presence of others.
The Astrolabe and the Zelee, incessantly tossed about by the hurricane, could not be worth the Nautilus, quiet repository of labour that she is, truly motionless in the midst of the waters.
It did not follow the routes of the Astrolabe and the Zelee exactly, for they proved fatal to Dumont d'Urville.
And I can visit the celebrated islands where the Boussole and the Astrolabe struck?
The large boat and the whaler belonging to the Astrolabe were sent to this place, and, not without some difficulty, their crews hauled up an anchor weighing 1,800 lbs.
The Astrolabe went to its help, and ran aground too.
Let us mark well this possession of his, for it was his companion and guiding-star throughout a long and difficult life, his chart and compass, astrolabe and anchor, in one.
By this officer the following intelligence was brought back concerning the voyage of the Astrolabe and Boussole.
De la Peyrouse in Botany Bay, Father Le Receveur, who had come out in the Astrolabe as a naturalist, died.
The whole drainage of the Astrolabe Range and of this country falls into the Laroki.
A good many strangers were present from an inland village on the Astrolabe side.
We crossed several streams from theAstrolabe Range, all flowing into the Laroki.
We found the falls in a deep gorge formed by the west end of Astrolabe and east end of Vetura Range.
In the afternoon we arrived at Janara, near to Efari, at the back of Pyramid Point, the Astrolabebearing north.
The Astrolabe Range is not far from the shore we were sailing along all day.
Left Chokinumu this morning at eight, and had a pleasant walk for three hours, ascending gradually the Astrolabe until we reached the summit at the back of Tupuselei, 2300 feet high.
This will give the moon's place, 'if the stars in the Astrolabe be set after the truth,' i.
The astrolabe can also be used to discover (but only in an imperfect and approximate manner) the four cardinal points of the compass (ii.
Sirius or the Dog-star, as is evident from the fact of its being represented by a dog's head on the Astrolabe; see also the table of stars marked on the Astrolabe (in MS.
But it does not appear that Chaucer made any use of this former part, as his astrolabe had been procured ready-made.
This is the first edition in which the Treatise on the Astrolabe appeared; it begins at fol.
There is not, however, much need of reference to books to understand what the astrolabe used by Chaucer was like.
By help of a globe it is easy to find the ascensions of signs for any latitude, whereas by the astrolabe we can only tell them for those latitudes for which the plates bearing the almicanteras are constructed.
The astrolabe can be used to find the degree of the zodiac with which any planet ascends, even when the planet is not situated in the ecliptic (ii.
This, however, was a 'sufficient' astrolabe for the purpose.
These are all described in a paper entitled 'Remarks on an Astrolabe belonging to F.
The most important part of the 'astrolabe planisphere' consisted of a somewhat heavy circular plate of metal from four to seven inches in diameter, which could be suspended from the thumb by a ring (i.
Astrolabe give a list of the stars marked upon the Rete.
But it turns out to be of little practical assistance, because Blagrave's astrolabe was on a different principle.
We learn also from the same biographer that in the year 1568 he completed a brass astrolabe having a diameter of "one schuh" (foot?
On the other globe the forty-eight celestial signs will be arranged, in such sort that all the operations of the astrolabemay be performed most perfectly by the aid thereof.
The barber quitted his razor again, and took up his astrolabe a second time; and so left me half shaved, to go and see precisely what hour it was.
The astrolabe used for gauging the altitude was a simple instrument, which had been long in use among the Mediterranean seamen, and had been described by Raymond Lullius in the latter part of the thirteenth century.
The astrolabe was a somewhat more elaborate instrument, consisting of a brass circle marked with degrees, against which two movable bars were fastened, each provided at the ends with a sight or projecting piece pierced by a hole.
He also improved the astrolabe and the staff, drew charts and made globes, and accompanied one of the West- African expeditions in 1489.
How can we tell, till we get theastrolabe and take an observation?
The rest of Part II may have been derived from some general compendium of astronomical and astrological knowledge, or from some other of the treatises on the Astrolabe which Chaucer says were common in his time.
Umbra Recta and Umbra Versa were scales on the back of the astrolabe used for computing the altitudes of heavenly bodies from the height and shadows of objects.
The astrolabe was an instrument for making observations of the heavenly bodies and calculating time from these observations.
The method used in determining the time of day by observation of the sun's position is explained in the Astrolabe ii, 2 and 3.
Tales, F 265) was one of the stars marked on the 'Rete' or web of a Parisian astrolabe in A.
The extraordinary errors in the early editions of the Astrolabe are well illustrated by Mr. Brae.
The Prologue and the two books of the Treatise on the Astrolabe (in vol.
The Astrolabe only showed the northern half of this belt; see note on p.
PYN (pin), the pin which passes through the central hole in the Astrolabe and its plates, A.
D'Urville next surveyed the lovely island of Wai-hiki, and thus terminated the survey of the Astrolabe Channel and Hauraki Bay.
Under his direction better maps were made, the astrolabe was improved, the compass was placed on vessels, and seamen were instructed in all the nautical learning of the time.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "astrolabe" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: bevel; protractor; quadrant; sextant; transit
