23 



To prepare and issue a blank meteorogieal journal, con- General duties 

 structed according to the most recent requirements, for the logicii Donaxt- 

 purpose of collecting meteorogical data suitable for use in meut ~ ont 

 making both special and general inquiries into the science. 



To keep informed on all subjects that pertain to meteor- 

 ology and physical hydrography. 



To keep account of all issues, expenditures, &c, in this 

 department. 



No. 4. Drafting and Engraving. 

 The construction of charts, the engraving and correcting . General duties 



700 °m the Depart- 



of plates, the plotting of surveys and astronomical compu-ment of Drafting 

 tations will belong to this department. 



The head of this department is responsible to the hydrog- 

 rapher for the entire correctness of all charts emanating 

 from this department, both in astronomical positions, topog- 

 raphy, and coast lines, in accordance with the best and 

 most recent authorities, as also in the minor detail of cor- 

 rectness of names, lettering, &c. 



The printing of all new charts will come under this de- 

 partment. 



No. 5. Instruments. 



The head of this department will take charge of and General duties 

 correct all compasses, and supervise the repairs of all in- J^n^of 'iMtru- 

 struments, &c, keeping the account of the same. ments ' 



He will prepare for the charts the variation of the mag- 

 netic needle, and construct the epoch charts for variation, 

 dip, and intensity, from which the magnetic curves and the 

 constants of increase and decrease are derived. He will col- 

 lect and arrange all magnetic data. 



THE LIBRARY. 



General duties 



Particular attention will be given to the collection for the 

 library of all works of reference relating to hydrography, of the librarian. 

 such as voyages of discovery, sailing directions, travels, 

 meteorology, marine surveying, magnetism of the compass 

 &c, and to the collection of all charts published at differ- 

 ent periods. 



