Sunday, August 21, 2011

Question 757: Bad Hair Day

The __X__ generator was developed, starting in 1929, by physicist ___X___ at Princeton University. The first model was demonstrated in October 1929. The first machine used a silk ribbon bought at a five-and-dime store as the charge transport belt. In 1931 a version able to produce 1,000,000 volts was described in a patent disclosure. This version had two 60 cm diameter charge accumulation spheres mounted on borosilicate glass columns 180 cm high; the apparatus cost only $90 in 1931.

So ID X

ANSWER

Van De Graff Static Electricity Generator


8 comments:

Nanda said...

Van de Graff Generator

Anonymous said...

Van De graaf Generator
- Sukanto

ZBK said...

Van de Graaff generator

VK said...

Van de Graaff

pritesh sinha said...

X is Van de graff

pritesh sinha said...

X is Van de graff

Anonymous said...

van de graaf generator

Pi.R.Square said...

VDG