INTRODUCTION. 



W hen organizing his Expedition with the Fram, Capt. Otto 

 SvERDRUP requested me to purchase the instruments for the meteoro- 

 logical observations, and some instruments for other purposes included 

 in the scheme proposed for the Expedition. During the spring of 1898 

 the instruments were collected and examined at the Meteorological Insti- 

 tute in Kristiania. 



The Fram left Norway with the following instruments on board: 

 2 Kew-Station barometers 



1 Marine barometer 



2 Pocket aneroid barometers 

 2 Richard barographs 



2 Richard thermographs 

 23 Mercury psychrometer thermometers 

 27 Mercury sling-thermometers 

 25 Toluol sling-thermometers 



6 Toluol standard thermometers 



6 Minimum spirit thermometers 



6 Maximum mercury thermometers 



2 Mercury thermometers with sling mechanism 



2 Hair hygrometers 



1 Thermometer-screen 



1 Thermometer comparing apparatus 



2 Hand anemometers 

 4 Nephoscopes 



1 Rain-gauge with measuring-glass 



1 Snow-gauge 



6 Deep-sea thermometers 



4 BoiHng-point thermometers 



4 Earth thermometers. 



1 



