[ RadSafe ] Source for Crookes radiometers

Thomas Johnston tjohnstn at gmail.com
Tue May 31 15:08:24 CDT 2011

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 Johnston

Health Physicist

NIST Center for Neutron Research

National Institute of Standards and Technology

100 Bureau Drive, Stop 1733

Gaithersburg, MD 20899

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