The population fluctuates a good deal, owing, to some extent, to an immigration of natives from the east to the west coast.
As to the number of vessels, which fluctuates from month to month, little can be said that is wholly accurate at any given moment, but, very roughly, the French navy in 1909 included 25 battleships, 7 coast defence ironclads, 19 armoured cruisers, 36 protected cruisers, 22 s1oops, gunboats, &c., 45 destroyers, 319 torpedo boats, 71 submersibles and submarines and 8 auxiliary cruisers.
The actual value, of course, fluctuates greatly.
The gold value of the currency peso (75 = £1 in 1903, 70 = £I in 1904, 58 = £1 in 1905) fluctuates between limits so wide that conversion into sterling (especially for a series of years), with any pretension to accuracy, is impracticable.
The total value of the foreign trade fluctuates very greatly, and the difficulty of forming an estimate is enhanced in many years by the absence of official statistics; but imports and exports together probably amount in a normal year to about £I,000,000.
Production.-The total wine production of the world, which, 'of course, fluctuates considerably from year to year, amounts to roughly 3000 million gallons.
Amorite), lay north of Lebanon and behind Phoenicia; but the term fluctuates (Weber, op. cit., 1132 sqq.).
Stars whose brightness fluctuates are called variable stars.
In its period of 406 days it fluctuates between the thirteenth and the fourth magnitudes; thus at maximum it emits 4000 times as much light as at minimum.
The value of the paper peso fluctuates; in 1904 the premium on gold stood at 640%.
The mean value of that velocity ratio is that of equality, for each successive quarter-turn is made by both shafts in the same time; but its actual value fluctuates between the limits: a1 I
Double Hookes Coupling.It has been shown in 66 that the velocity ratio of a pair of shafts coupled by a universal joint fluctuates between the limits cos 0 and 1/cos 0.
In 1905 there were imported 7,941,920 lb from Chile (only 195,328 in 1909); 6,033,104 lb from Canada (this also fluctuates greatly; 1,801,072 in 1909); 1,241,408 lb from British West Africa (4,985,232 in 1909); 1,126,720 lb from the British West Indies and Guiana (3,022,208 in 1908).
The milreis fluctuates widely in value, the balance of exchange being usually adverse to Portugal; for the purposes of this article the milreis has been taken at par.
The yield from the principal crops fluctuates greatly; indeed in a very good year it is almost three times that in a very bad one.
From the former there has been an export trade for many years which fluctuates remarkably according to the demand.