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Helmholtz Galvanometer
- It consists of two equal coaxial coils (parallel to each other) separated by a distance equal to the radius of the coils.
- The permanent magnetic compass is provided on the brass cup at the midway between them and in the same direction.
Very quick and exacty as advertized.
I am happy to have received the item in good time
Felicidades un excelente servicio desde India.
UNBELIEVABLE ! India on Tuesday,, My Doorstep Friday !!!!! TY so much ! <3