— XXV — RAPPORT 1904—05 ANNEXE A 
for 100 bottles costs about Kr.57. The only item in this outfit that must be 
renewed in using the same bottle repeatedly is Tube C (loc. cit. Fig. 3 in Text); 
a new one is required every time at a cost of Kr.9 per 100. 
VII. Special Investigations: 
The determination of the Compressibility of Sea-Water and of the Coefficients 
of Solubility of the Atmospheric Gases (N,, O, and CO,) is proceeding. It is 
expected that this work will be completed in the course of the present year. 
VIII. Memoirs issued from the C. L.: 
Publications de Circonstance (Communications du Laboratoire Central a 
Christiania): 
No.1. On the Determination of the Atmospheric Gases dissolved in Sea- 
Water, by Crarzes J.J. Fox (Publ. de Cire. No. 21). 
No.2. On the use of insulated Water-Bottles and Reversing Thermometers, 
by V. Watrrm Exman (Publ. de Cire. No. 23). 
No.3. Kurze Beschreibung eines Propellstrommessers, von V. WALFRID Ekman 
(Publ. de Cire. No. 24). 
Christiania, October 1905 
Friptjor Nansen 
