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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
Dimension of Instrument:
this choice ensures proper support and wearability
this fine sextant features an adjustable index arm
Dimensions: 37
Complete with clear dust cover
Wimshurst Influence Machine enamel Dimension of Instrument:Invented by British inventory, James Wimshurst, between 1880 1883. An electrostatic generator that develops high voltage, it as 2 counter rotating discs mounted vertically and 2 bars with brushes that rub against evenly spaced metallic strips mounted on each of the discs. Static electricity is produced when the discs rotate. This is stored in 2 lyden jars. Two electrodes leading from these lyden jars can be moved and the distance between them varied.
US$ 169.95
US$ 150.95
