TABLE 1 . 

 FUNDAMENTAL AND DERIVED UNITS. 



//. Heat Units. 



Name of Unit. 



Conversion Factor. 



Quantity of heat (thermal units). 



" (thermometric units). 

 " " (dynamical units). 



Coefficient of thermal expansion. 

 Conductivity (thermal units). 



f thermometric units), or diffusivity. 

 " (dynamical units). 



Thermal capacity. 

 Latent heat (thermal units). 



" " (dynamical units). 

 Joule's equivalent. 



Entropy (heat measured in thermal units). 

 " ( " " " dynamical units). 



mO 

 1*0 



m 



III. Magnetic and Electric Units. 



Name of Unit. 



Conversion factor 

 for electrostatic 

 system. 



Conversion factor 

 for electromag- 

 netic system. 



Magnetic pole, or quantity of mag- 

 netism. 



Density of surface distribution of 

 magnetism. 



Intensity of magnetic field. 



Magnetic potential. 



Magnetic moment. 



Intensity of magnetisation. 



Magnetic permeability. 



Magnetic susceptibility and mag-) 

 netic inductive capacity. j 



Quantity of electricity. 



Electric surface density and electric ) 



/> r 1 / 1 



n 



*/' 



m*l l 



displacement. 

 Intensity of electric field. 

 Electric potential and e. m. f. 

 Capacity of a condenser. 

 Inductive capacity. 

 Specific inductive capacity. 

 Electric current. 



m*l* 



Ik 



k 



i 



m*l* 



t-^k-* 



r*# 



nj> /-I/ 

 */* 



SMITHSONIAN TABLES. 



