280 CHEMICAL DEPARTMENT. 



16. Determination of the quantity of Nitrogen in any sub- 



stance, 7s. 6d. 



17. Answers to letters asking advice on subjects within the 



department of the chemist, 5s. 

 The charges for other Analyses not specified in the list will 

 be settled by the Committee of Management, with reference to 

 the amount of work which they involve, and on a scale similar 

 to the above. 



ALEXr. MACDUFF, Secretary. 



Edinburgh. February, 18G6. 







