'2(j)i Observations on the Direction and Intensity of the [ArniL 



CLASS 111. 



linnu\li.itely at'tor making the above obsorvalions, \\lu» li wimc \)rv. 

 formed ahogether by Mr. Caldocott, lie dcsjutcboil the cylinders (o 

 Miulms, for tlie purpose of enabling me to make the observations to tlie 

 nortb ol" this place ; the oaniage of tbein uas necessarily effected as 

 before by the batighy rnnners ; save that Mr. Ciildecott had taken the 

 precaution to place the cylinders in grooves cut in a little box, nmde on 

 purpose for their reception ; and the whole was tightly secured by cot- 

 ton. Notwithstanding this precaution, on the arrival of the box at Madras, 

 the cylinders were all found huddleJ together in one corner of the box, 

 the insufficient quantity of cotton which remained, allowing thciu to 

 play about in any manner they pleased; it was in fact but too evident 

 tliat the box had been openeil to ascertain its contents, and had not been 

 packeil again with anything like care. Thus circumstanced, the needles, 

 which had necessarily lost a consiilerable degree of intensity, were now 

 employed during two months by my assistant Tnnni/achcl/urn, by way of 

 learning; when, finiling that during this time they bore rough handling 

 without losing any portion of their intensity, on the 2Ist April I des- 

 patched them by TannyacheUum to Ongole, when the following obser- 

 vations were made : — 



