Levelling Sentence Examples
Gears are provided for elevating, levelling, aligning the upper and lower optical systems, adjusting the inclination of the reflector and rotating the mast around a vertical axis so that observations may be made and azimuth angles taken in all directions.
Theodolites are designed to measure horizontal angles with greater accuracy than vertical, because it is on the former that the most important work of a survey depends; measures of vertical angles are liable to be much impaired by atmospheric refraction, more particularly on long lines, so that when heights have to be determined with much accuracy the theodolite must be discarded for a levelling instrument.
C. i treats of the finding of good water; c. 2 of rainwater and rivers - rivers in various countries; c. 3 of hot springs, mineral waters, with an account of the chief medicinal springs of the world; c. 4 of selection of water by observation and experiment; c. 5 of instruments for levelling used by aqueduct engineers; c. 6 of construction of aqueducts, pipes of lead, clay, &c., and other matter on the subject of water-supply.
In Japan, Germany, Austria, England and Russia horizontal pendulums of the von Rebeur-Paschwitz type are employed, which by means of levelling screws are usually adjusted to have a natural period or double swing of from 15 to 30 seconds.
The base plate rests upon levelling screws which permit the adjustment of the polar axis to be made with great precision.
This cone is mounted on a circular base b which rests on three levelling screws, two of which are visible in the figure.
Ramananda's teaching was thus of a distinctly levelling and popular character; and, in accordance therewith, the Bhakta-mala and other authoritative writings of the sect are composed, not in Sanskrit, but in the popular dialects.
Owing partly to the tribal system, and partly to the levelling effect of Islam, nothing similar to the Brahmanical system of social precedent is to be found in Baluchistan.
The less any one man could do to interfere in the government, or even to safeguard his own life and property, the more heavily the common fate pressed upon all, levelling the ordinary distinctions of class.
The only grouting that should be permitted in tall buildings would be in levelling up the tops of the concrete footings to receive the masonry courses, or in a very thin layer between the column pedestal and the masonry bed.Advertisement
The zero adjust - ment is effected by means of levelling screws in the base of the frame.
In defence of university studies he stood manfully forth in the chamber of peers in 1844, against the clerical party on the one hand and the levelling or Philistine party on the other.
The gas is measured in the graduated cylinder on the right, which is surrounded by a water jacket and provided with a levelling bottle.
To use the apparatus, the measuring tube is completely filled with water by raising the levelling bottle.
By opening the three-way cock to the supply of the test gas and lowering the levelling bottle, any desired amount can be drawn into the measuring tube.Advertisement
The absorption is effected by opening the cock of an absorbing vessel and raising the levelling bottle.
Rising above the Rock is Cole's Hill, where during their first winter in America the Pilgrims buried half their number, levelling the graves and sowing grain over them in the spring in order to conceal their misfortunes from the Indians.
He won favor by these means, and completed the levelling down of classes, which had been proceeding ever since the emergence of the communes.
It is probable that up to 1875, at least, there had been a larger outlay of labour, material and money, in reducing, levelling and reclaiming territory, and in straightening and widening thoroughfares 1 in Boston, than had been expended for the same purposes in all the other chief cities of the United States together.
They disliked his French origin, and suspected him to be a man of levelling principles.Advertisement
Rank has accounted for much, and ceremonial dress - the apparel Romans, naturally left its mark, and there have been ages of increasing luxury followed by periods of reaction, with a general levelling and nationalization on religious grounds (Judaism, Islam).
The apparatus is so designed that when the plummet is suspended in air, the index of the beam is at the zero of the scale; if this be not so, then it is adjusted by a levelling screw.
This complication is eliminated in Scott's sight by simply levelling the cross axis of the telescope.
Many identified Dogmas and Articles by levelling down or broadening out; but Hooker levels up. The statement of the Council of Trent (1545-1562) may be quoted here.
The levelling of the walls and filling up of the moat made the Fort much more accessible and healthy, and since then it has become the business centre of the city.Advertisement
In 1667 the Dutch fleet under De Ruyter advanced up the Medway, levelling the fort at Sheerness and burning the ships at Chatham.
The process of disintegration and levelling down has reached such an advanced stage that, if ever there did exist evidences of former glaciation, they have now become entirely obliterated, even to the complete pulverization of the erratic blocks, supposing there were any.
Within the Estate of Burgesses itself, too, a levelling process had begun.
There was also a natural tendency towards levelling up the different parts of books and groups of books.
The work of earthworms in aiding in the production of the subsoil and in levelling the surface was first studied by C. Darwin, and has since been investigated by others.