flapiai. and 



trespass. The writ, 



A P 406 CAP 



however, is returnable, the body of one who is fined to the king for some of- 



ouaao A. tit VY * iv> * r ~ * * 



not at Westminster, where the Common Pleas are 

 fixed by Magna Ckaria, but ubicunque fuerimus in 

 Anelia; the King's Bench being rempveable into 

 any part of England, at the pleasure of the crown. 

 Blackst. Comment. B. iii. ch. 19. Jacob's Latv Diet. 



Capias ad satisfaciendum, is a writ of execution, 

 after judgment, the intent of which is to imprison 

 the body of the defendant, until he make satisfaction 

 to the plaintiff for the debt, costs, and damages, in a 

 process. This writ, therefore, does not lie against 

 privileged persons, peers, members of parliament, ex- 

 ecutors or administrators, nor against such other per- 

 sons as could not be originally held to bail. 



Capias utlagatum, is a writ which lies to arrest a 

 person who appears publicly after outlawry, who 

 may be committed until the outlawry be reversed. 

 Capias pro Jine is a writ which issues for taking 



fence, and does not discharge the fine according to 

 the judgment. By the statute 5 and 6, W. & M. 

 c. 12. capiatur t fines are taken away in several cases. 



Capias in rvtthernam, is a writ which lies for re- 

 covering goods or cattle taken in distress, when the 

 sheriff's inquest determines against the distreinor. If 

 the distress be taken out of the county, or concealed, 

 so that the sheriff cannot make deliverance in replevin, 

 then there issues to him a capias in rvithernam, or in 

 vt'tilo namio, a term which signifies a reciprocal dis- 

 tress, to take as many goods or cattle of the distreinor, 

 by way of reprisals. 



Capias ad audiendumjudicium, is a writ which is- 

 sues against one who has been found guilty of a mis~ 

 demeanor, to bring him in to receive his judgment ; 

 and if he absconds, he may be prosecuted, even t* 

 outlawry. Blackst. Comment. B. iv. ch. 29. (z) 



Capias 



CAPILLARY ATTRACTION. 



Capillary .CAPILLARY ATTRACTION, from capittus, " a hair," 

 Attraction. j s p ro perly that force by which water, or any other 

 ^""Y""""^ .fluid, is raised above its level in glass tubes, whose 

 .diameter does not exceed that of a hair. It is now 

 employed in a more general sense, to denote that force 

 <with which solids act upon fluids, either in raising 

 them above, or depressing them below, their natural 

 level, when the solid is simply immersed in the fluid, 

 or when the fluid is included in a tube, or between 

 two plates formed from the solid. In attempting to 

 give as complete a view of this interesting portion of 

 physics as the limits of our work will permit, we 

 shall direct our readers attention to the different phe- 

 nomena of capillary attraction, as they have been as- 

 certained by direct experiment, and to the different 

 theories by which these phenomena have been explained. 



Phenomena of Capillary Attraction. 



Phenomena Exp. 1. If water, or any other fluid, excepting 



of capillary mercury and the metals in a fluid state, be poured 



attraction. - nto & c \ ean vessel, the fluid in contact with the sides 



of the vessel will be raised above the level of the fluid 



in the middle of the vessel, and the fluid surface will 



be terminated by an elevated ring of fluid. See Plate 



PLAT* CX. CX. Fig. 1, where A, B are the sides of the vessel, 



Fi S- ! and c, d, the elevated fluid, 



Exp. 2. If a solid body is immersed in a fluid, the 

 fluid will be raised round the sides of the solid, as in 

 F^g. 2. Fig. 2, where S is the solid, and'C rfthe elevated fluid. 

 These phenomena may be seen most distinctly, by 

 viewing the image of a rectilineal object, seen by re- 

 flection from the fluid surface. The rectilineal im- 

 age will indicate, by its change of form, the magni- 

 tude and extent of the elevated ring. 



Exp. 3. If the fluid, used in experiments 1 and 2, 

 is mercury, or any metal in a state effusion, the fluid 

 in contact wfth the sides of the vessel in Exp. 1, or 

 with the sides of the solid body in Exp. 2, will be 



depressed below the general level, as is exhibited in Capillary 

 Figures 3d and 4th. Attraction, 



Exp. 4. If a glass tube A, whose internal diame- 

 ter or bore is less than the 10th of an inch, be im- 

 mersed at one end into a fluid in the vessel MN, the 

 fluid will rise to A to a considerable height above capillary 

 the fluid surface. If another capillary tube B of a tube*, 

 greater bore is immersed in the same fluid, the fluid 

 will also rise in the tube above its level, but not to such 

 a height as in the tube A. By comparing the heights 

 of the fluid in the two tubes, with the diameters of 

 their bores, it ia found that the heights are inversely 

 as the diameters. That is, if D be the diameter of 

 the larger tube DB, d the diameter of the smaller 

 tube C A, A the altitude of the fluid in the former, 

 and a its altitude in the latter, we shall have A : a= 

 d : D, and consequently ADsrarf, Hence it follows, 

 that the product formed by multiplying the diameter 

 of any capillary tube, by the altitude to which any 

 fluid rises in the tube, is a constant quantity. 



The following are the heights to which water has 

 been observed to rise in capillary tubes, reduced to 

 a tube whose diameter is T th of an inch : 



J- These gentlemen found, that in a tube whose diameter was one thousandth part of a metre, water rose to the height 

 of 13.57 thousandths, hence the product of the diameter and height will be .039371 X 13,57 X .039371 = .021034. 



