92 Dr. C. V. Burton on a 



Table. 

 Values of certain quantities connected with the hypothetical 

 (primary) wave-motion, expressed in terms of Gr, K, p, E, 

 A., fjL, and S, together with the numerical values for the 

 same quantities derived from those already assigned to 

 G, K, &c. 



Nature of quantity. 



For any j 

 element 

 of aether | 



For any /'Maximum 



element of ] 



atomic j -r^ . 

 ™„**.„.. ^-4-1. J \ Maximum 

 matter, with 



respect to J 



the aether ^Maximum 



f Maximum displacement, 

 | 



■{ Maximum velocity. 

 I 

 ^ Maximum acceleration. 



displacement. 



velocity. 



acceleration. 



Frequency of primary disturbance. 



Telocity of compressional waves in 

 aether. 



Extrusion of aether per unit mass of 



matter (§7). 



Mass of aether extruded per unit mass 

 of matter. 



Maximum proportional deviation of 

 F from its mean value. 



Bulk-modulus of elasticity of the 

 aether. 



Additional aetherial compressibility 

 per unit density of matter present. 



Maximum deviation of aetherial pres- 

 sure from its mean "value. 



Maximum proportional deviation of 

 aetherial density from its mean value. 



Total energy of primary disturbance 

 per cubic centimetre. 



Energy propagated through 1 sq. cm. 

 of normal surface per second. 



Symbol. 







F 



Fp 



I 



K 



H 

 B 



B/k 

 B 2 /2k 



^B 2 /2/c 



Equivalent 

 expression. 



X 2 / ( 2BKQ \ 

 H 2 V \ 3pE ) 



H V \irpj 

 / /6GE\ 



2X 2 K / /23G\ 

 3 M 2 V UeJ 

 2X . /2GK\ 



7 v hr) 



Svfcffi 



Mf) 



2 y("£) 



p ^(^EJ 

 3j* 2 pE 



4ttSK 



3]upE 



X //3EGp\ 



2X //23GK\ 



J? V\3pE) 



X 2 G 



X 2 G 

 "2p7 



Tr/r 



V( 



3E 

 r 3 SK 



Value in 

 C.G.S. 



units. 



6-9x10-5 

 5-6 X10 6 

 4-5x10" 

 2X10-8 

 1-6 XlO 3 

 1-3 Xl0' 4 

 1-29 XlO 16 

 2-19 XlO 27 

 2-9x10-16 

 2-9x10-4 

 5-6x10-5 

 4-78 XlO 66 

 4-2x10-66 

 3-9 XlO 4 

 8-1x10-22 

 1-6 XlO 24 



3-4 XlO 51 

 ergs. 



Value otherwise 

 expressed. 



•69 micron. 



56 kilom. per sec. 



1/5030 micron. 

 16 metres per sec. 



2-3 X 10 9 light-years 

 per second. 



4-72 XlO 60 atmo- 

 spheres. 



3-8 X 10 3 9 atmo- 

 spheres. 



1/(6 XlO 8 ) of the 

 constitutive energy 

 of the medium. 



3-4 XlO 41 kilowatts 

 per sq. cm. 



34. We may now review briefly the tentative values 

 attributed in the last paragraph to K, p, E, X, yu, and 3. The 

 value 2 x 10~ 20 is assumed for the motional constant K, in 



