Specimen Magnetic Observations and Computations 



223 



Ocean Magnetic Observations: Earth-Inductor Observations for Inclination (7) 



Station: At sea 



Date: Sat., Aug. 23, 1913, P. M. 

 Instrument: E. I. 3; Galv'r Ml 

 Horizontal circle: 180°; 0° 

 Gimbal circle: 22°; 202° 

 Revolutions of crank per minute: 120 



(Form 29) 



Lat: 39° 29' N 

 Vessel: Carnegie 

 Chron'r: 256 

 Weather: be 

 Sea: S to M 

 Course: NNE 

 Wind: S, 2 



Long: 39° 51' W 

 Com'd'r: W. J. P. 

 Obs'r: C. W. H. 

 Rec'd'r: H. R. S. 

 Comp'r; C. C. G. 

 Reviser: C. W. H. 

 Roll: 4° s. to 5° p. 



'Correction = ( ^ ) A; see Form 29a for values of d. 



\ d„ — d„+i / 



