V. MAPS, ETC. 681 



" burg, 1873." (Distance and altitude survey. Formulae 

 and tables for survey and determination of the heights, 

 &c., Hamburg, 1873.) 



(f.) " Ueber die Ausfiihrung von Hohen-Messungen mit dem 

 " Aneroid-Barometer. System Reitz, aus der Fabrik von 

 " R. Deutschbein in Hamburg, u.s.w. Hamburg, 1874." 

 (Levelling with the aneroid barometer. System of Reitz, 

 from the manufactory of R. Deutschbein in Hamburg, 

 &c., Hamburg, 1874.) 



(g.) " Vermessung von Hamburg, u.s.w. 1873 ;" Kurze Dar- 

 stellung der im Hamburgischen Gebiete ausgefiihrten 

 geodatischen Arbeiten. (Survey of Hamburg, &c., 

 1873 ; short description of the geodetic works executed 

 within the territory of Hamburg). 



Ban Deputation, Hamburg. 



3230. Field-Book (manual on executed height and distance 

 measurements). Bau Deputation, Hamburg. 



323Oa. Portfolio containing representations of the hypso- 

 metrical works, namely : 



(a.) The tables mentioned under for distance and levels. 



(b.) Tables for the staffs used for distances and levelling. 



(c.) Field-book, with distances and levels taken in a part of the 

 area of Bergedorf. 



(d. ) Transf errer for plotting heights. 



(e.) Table containing the stations and the polygon lines for the 

 distances and levels executed in a part of the area of 

 Bergedorf, with a synoptical summary of the results 

 obtained by this method with reference to direct measure- 

 ment of length, and with regard to geometrical levelling. 



(/.) A sheet with annotations of the altitude points determined 

 by distance and height measurement, and the one metre 

 contours constructed from them ; scale 1 : 4000 of part 

 of the adjoining Holstein territory. 



(g.) Sheet of one metre contours, with the stations and polygon 

 lines ; scale 1 : 1000 of part of the area of Bergedorf. 



(h.) Plan of the town of Bergedorf, with one metre contours ; 

 scale 1 : 4000, lithographed. 



('.) Plan of part of the area of Bergedorf, with one metre con- 

 tours ; scale 1 : 1000, lithographed print on cartoon 

 paper. Bau Deputation, Hamburg. 



3218. Map of the Earth, projected on a regular Dode- 

 cahedron. George H. Darwin. 



3219. Map of the Earth, projected on a regular Icosa- 

 hedron. George H. Darwin. 



