1 8 CARNEGIE INSTITUTION 



the scientific history of the candidate attached, and the appointment 

 is to be for Hfe, subject to the approval of the Council. 



After the age of 62 years, or in case of disability, the physicist in 

 charge is at liberty to become inactive and to ask for a pension. 



The physicists in charge shall be appointed as follows: 



(1) A phj'sicist in charge of the department of mechanics. 



(2) A physicist in charge of the department of experimental mo- 



lecular ph3^sics, including elastics, capillarity, cohesion, dif- 

 fusion, solution, crystallization, hj^dromechanics, viscosity, 

 etc. 



(3) A physicist in charge of the department of heat, including 



thermodynamics, thermal analytics, kinetic theory, etc. 



(4) A physicist in charge of the department of sound. 



(5) A physicist in charge of the department of light and radiation, 



including geometric optics, spectrum analysis, photograph^'-, 

 interference, diffraction, polarization, absorption, dispersion, 

 etc. 



(6) A physicist in charge of the department of electricity^ including 



electrostatics, magnetism, electromagnetism, electric current, 

 electrolysis, thermoelectrics, induction, electric oscillation, 

 electro-radiation, etc. 



Each department is to be filled only when the eflScient man has 

 been found. It need not be filled continuously. 



The physicist in charge shall be the controlling officer in each de- 

 partment, and the resident research associates and I'esearch assistajits 

 hereinafter to be specified shall be subject to his jurisdiction. 



It shall not be necessary for the physicist in charge to devote him- 

 self exclusively to the subjects of his department, but a wise and 

 watchful provision for its broadest interests is to be his paramount 

 duty. 



(9) Director. From among these chiefs of division, one shall 

 be selected by the Council, as Director, who shall have the control of 

 all immediate questions of laboratory government. 



Appeals from the decision of the Director may be referred to the 

 Council. 



The total salary of the Director shall be not less than $8,000 per 

 annum. 



(10) Executive Officer. To relieve the Director of the burden of ad- 

 ministrative work, there shall be appointed an executive officer subject 

 to the control of the Director, at a salary of not less than $4,000 per 



