EXPERIMENTS WITH THE ARTIFICIAL 

 TORPEDO [1775] 



{From MS. N. 20. See Table of Contents at the beginning of this volume.} 



596] Torp. i in water touching sides*. 



3 rows ijf felt plain shock in hands. 



4 - more brisk in D. 

 7 - more violent in D. 

 2 plain in D. 

 I sensible. 



+ 2 + 3t 

 4+1 + 5 + 6+ 7 but just sensible. 



Out of water. 



4+1 uncertain. 



4+1 + 2 sensible. 



4+1 + 2 + 3 D. 



5 + 4+1 sensible in elbows. 



5 + 6 gentle in elbows. 



5 + 6 + 7+1 + 2 + 3 + 4 strong in elbows, 

 i row more violent. 



Uncoated, out of water. 



4 scarce percept. 

 4+1 sensible. 

 4+1 + 2 gentle. 



In water. 



5 + 6 + 7 perceptible. 



Without any torped. jar 4 was perceptible. 



I could not perceive any sensible difference in the conducting power ot the 

 water I used & of sea water, but the difference caused by mixing ^ part of 

 rain water with the sea water was scarcely perceptible. 



(distilled water\ I i 



are to each < Tfi 



go io 



N.B. resistance of -jsat. sol. in "j. other nearly < IOO 



(sat. sol. as (702 



* [Art. 415.] 



f [3 rows of battery electrified till the electrometer separated to ij.] 



{ [These numbers are those of the jars of the first row of the battery. See 

 Art. 583.] 



[This should be conducting power, instead of resistance. The numbers then 

 agree with those in Art. 684.] 



