Product Code : ELS-PEST-0001
A spherical conductor on insulating stand with insulated handle....
Product Code : ELS-PEST-0002
For producing positive charges relative to polythene when rubbed by woolen rubber....
Product Code : ELS-PEST-0003
Comprising two metal discs, with variable separation, supported on insulating pillars & provided with insulating handles on the ends of the adjustment...
Product Code : ELS-PEST-0004
Conical : Made of brass, nickel plated....
Product Code : ELS-PEST-0005
Cylindrical : made of brass nickel plated...
Product Code : ELS-PEST-0006
Sphere : made of brass, nickel plated...
