THE NATIONAL SCIENTIFIC INSTITUTIONS AT BERLIN. 131 



Each division is complete in itself. It is the duty of the committees 

 of teachers to oversee the scientitic instruction of the students within 

 their own section. Its i)resident, elected from among- their own num- 

 ber, communicates with the rector and the senate. 



The senate consists of the rector, as presiding ofticer, the retired rec- 

 tor (prorector), the chiefs of the divisions, the chief of the section of 

 naval architecture, and a number of teachers appointed by the various 

 committees for the term of two years. 



The position of private lecturer may be obtained by adhesion to one 

 of the existing divisions. The applicant is required to furnish the fol- 

 lowing documentary evidence : (1) a curriculum vitae ; (2) graduation 

 from a high school (gymnasium or realschule) ; (3) testimonial of a 

 three-years academic study and proof of the successful performance of 

 the first technical examination required by the state or of the diploma 

 examination at some German technical high school, or of the doctor de- 

 gree of some German university ; (4) i)roof of a continued three-years 

 course of scientific or artistic study following the university term ; (5) 

 a manuscript or printed essay on the specialtj^ of the applicant (archi- 

 tects may replace the essay by plans or by bringing satisfactory proof 

 of having had charge of some important construction) ; (0) an official 

 testimonial of character, and in case the applicant is a German, i)roof 

 of his having performed his military duties. All the above conditions 

 having been complied with to the satisfaction of the division, the appli- 

 cant is required to hold one lecture and to subject himself to an exami- 

 nation. 



The corps of teachers at present consists of fifty-seven professors 

 and twenty-four private teachers. 



The Mineralogical Institute. — In addition to the lecture-rooms the Insti- 

 tute comprises: (1) The laboratory for crystallographic-physical, and 

 chemico-mineralogical experiments ; (2) a mineralogical collection ; (3) 

 a geological collection ; (4) the mineralogical museum. 



The lectures combine a course for the practical determination of min- 

 erals by microchemical tests and by blow-pipe, determinations of rocks, 

 and instructions for geological surveying. 



The public museum, comprising two halls, contains: (1) The system- 

 atic mineralogical collection (Tamnau) ; (2) a mineralogic- technical 

 collection ; and (3) the geological collection. 



The geological room contains a collection from the Gotthard Tun- 

 nel, together with geological ])rofile of the Gotthard in the plane of the 

 axisof the tunnel ; projection, 1:2000; a geological collection arranged 

 according to formations. 



The Laboratory for Inorganic Chemistry. — The laboratory has room for 

 sixty-six oi)erators; they occupy two larger and two smaller halls. 

 Separate rooms are provided for special work. 



An auditory of one hundred and seventy seats is situated within the 

 middle section; it connects with rooms for preparation and collections. 



