[ RadSafe ] Source for Crookes radiometers

[Thomas Johnston]

Good afternoon Group,

Hello – I was wondering if anyone knows of a [local?] reliable and
reasonable (meaning $cheap$) source for Crookes radiometers?

I would like to purchase some for obvious training purposes.



Kindest regards,

Thomas



Thomas Johnston

Health Physicist

NIST Center for Neutron Research

National Institute of Standards and Technology

100 Bureau Drive, Stop 1733

Gaithersburg, MD 20899