270 COOK'S RETURN 



why did you not wait for that ship and come direct to New York instead of 

 going to South Greenland and from there to Copenhagen ? 



A. I knew that the Danish government ship would get me home before 

 Whitney's ship. 



DESCRIBES HIS INSTRUMENTS. 



Q, What instruments did you have with you from Cape Thomas Hubbard 

 and back? 



A. Sextant, artificial horizon, three compasses, three chronometer watches, 

 thermometers, barometers and a pedometer. 



Q. What kind of sextant did you have and how many? 



A. One sextant — a French apparatus. 



Q. What kind of artificial horizon did you have? 



A. Glass. 



Q. What kind of transit or theodolite did you have and how many? 



A. We didn't use any. 



Q. What kind of compass did you have ? 



A. We had one liquid compass and one surveying compass. 



Q. What kind of compass did you use to determine your compass 

 variation ? 



A. Surveying compass ; it had an azimuth attachment. 



Q. What compass course did you take from Cape Thomas Hubbard north ? 



A. Well, that changes every day. If you follow the course on a map you 

 have got the compass course. 



Q. Was your determination of the pole solely by an observation of the 

 sun's altitude, or did you take observations of the pole star twelve hours apart, 

 and by the determination of the celestial pole midway between the two positions 

 prove the accuracy of your position on the terrestrial pole? 



A. How are you going to take an observation by the polar star when you 

 have a continuous sun ? There is no night ; you cannot have any stars ; there 

 is no darkness. 



Q. What other kind of observations did you make at the pole and how 

 many? And what was the altitude of the sun? 



