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Electro-Meteorological Observations. 



Art. IX. — Electro-Meteorological Observations ; by Jas. Svvaim. 



The preceding experiments were made with common three stick 

 kites two feet six inches long and two feet four inches wide, tapering 

 from the middle to the top. Wire No. 30 was used, which was 

 wound on a reel four feet in circumference, having a glass axle run- 

 ning on a frame about three feet high, which was made in the same 

 manner as the one used by the Franklin Kite Club of Philadelphia. 



An electrometer (5.) was connected with an iron ring (6.) through 

 which the wire passed, and which was suspended by means of silk, 

 in front of the reel for the purpose of preventing the wire from run- 

 ning off in winding up rapidly. 



Also an instrument was used for finding the height of the kite, 

 which I constructed in the following manner. Two stationary arms 



