The questions which would claim the exercise of such a jurisdiction appear to be (I) intercolonial tariffs and the coasting trade; (2) railways, roads, canals, and other such works running through any two of the colonies; (3) beacons and lighthouses on the coast; (4) intercolonial gold regulations; (5) postage between the said colonies; (6) a general court of appeal from the courts of sucn colonies; (7) a power to legislate on all other subjects which may be submitted to them by addresses from the legislative councils and assemblies of the colonies, and to appropriate to any of the above-mentioned objects the necessary sums of money, to be raised by a percentage on the revenues of all the colonies interested."
Neuwerk, containing some marshland protected by dikes, has two lighthouses and a lifeboat station.
On the Ness two lighthouses have been built at different levels, the lights of which are visible at 13 and 16 m.
The difficulty of connecting lightships and isolated lighthouses to the mainland by submarine cables, owing to the destructive action of the tides and waves on rocky coasts on the wll- shore ends, led many inventors to look for a way out of the difficulty by the adoption of some form of inductive Smith.
Stevenson, who in 1892 advocated the use of the inductive system pure and simple for communication between the mainland and isolated lighthouses or islands.
But it is indisputable that Brewster was earlier in the field than Fresnel; that he described the dioptric apparatus in 1812; that he pressed its adoption on those in authority at least as early as 1820, two years before Fresnel suggested it; and that it was finally introduced into British lighthouses mainly by his persistent efforts.
Sand bars keep filling up the mouths of these channels, necessitating frequent dredging and extension of the breakwaters, work undertaken by the Federal government, which also maintains a most comprehensive and completeystem of aids to navigation, including lighthouses and lightships, fog alarms, gas and other buoys, life-saving, storm signal and weather report stations.
It is the prototype of all lighthouses in the world.
He often accompanied his father on his official visits to the lighthouses of the Scottish coast and on longer journeys, thus early accustoming himself to travel.
He took up the question of lighthouses and harbours; in the former he secured greater efficiency, in the latter he prevented useless expenditure.
Until the Civil War he was engaged in various engineering works, mainly in connexion with lighthouses, and later as a captain of topographical engineers in the survey of the northern lakes.
The railways, lighthouses, gas and waterworks and other concessions and industries were placed in British hands.
This fact having been fully demonstrated, acetylene dissolved in this way was exempted from the Explosives Act, and consequently upon this exemption a large business has grown up in the preparation and use of dissolved acetylene for lighting motor omnibuses, motor cars, railway carriages, lighthouses, buoys, yachts, &c., for which it is particularly adapted.
It also deals with the accounts of harbours, lighthouses and mercantile marine offices, and of the merchant seamen's fund, and with the consuls' accounts for disabled seamen abroad.
SIREN, a name derived from the Greek Sirens (see below) for an acoustical signalling instrument specially used in lighthouses, &c. (see Lighthouse), and applied by analogy to certain other forms of whistle.
The isle is surrounded by shoals, and high-level and low-level lighthouses have been erected, the one at the north-west and the other at the north-east corner.
So popular has it become that besides being used for massive constructions like breakwaters, dock walls, culverts, and for foundations of buildings, lighthouses and bridges, it is also proving its usefulness to the architect and engineer in many other ways.
It has a good harbour (in which there are three lighthouses), considerable coastwise trade, and important oyster fisheries.
The entrance to the port is free from ice nearly all the year round, is excellently buoyed, and lighted by two lightships and eight lighthouses, among the latter the remarkable Rothesand Leuchtturm, erected 1884-1885.
Population 250, consisting chiefly of the keepers of the numerous lighthouses erected by the Canadian government.
Railways, telegraphs, lighthouses, the harbour works at Suez, the breakwater at Alexandria, were carried out by some of the best contractors of Europe.
Lighthouses exist on one of the Quwain group of islands off Ras Musandam and on Tunb I.; light-buoys have been placed at Bushire in the outer and inner anchorages, at Bahrein and on the Shatt al 'Arab bar.
In addition to the provision and maintenance of roads and the construction of public buildings, the department of public works also provides all works of a public nature, such as water-supply, sanitation, embankments, lighthouses, ferries and bridges, and which require technical skill.