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TATA INSTITUTE OF FUNDAMENTAL RESEARCH
National Centre of the Government of India for Nuclear Science and Mathematics
Telegrams: ZETESIS 
HOMI BHABHA ROAD, BOMBAY 5.
Telephone: [[strikethrough]]213141[[/strikethrough]] 21 91 11

December 21, 1972

Dr R.S. Clarke
U.S. National Museum
Washington D.C.
[[underlined]]U.S.A.[[/underlined]]

Dear Dr Clarke,

Greetings for X-mas and a happy new year. I am sending a photograph of the Reynolds - type 4.5" -60° sector rare-gas machine completely made in Tata Institute of Fundamental Research. We took 3 years to build it.

This machine can well resolve the Xenon peaks and has a sensitivity of 1x10‾¹³ CC STP Xe¹³⁰/mV. We get a vacuum of 5x10‾¹⁰ Torr. We have finished the analysis of some local meteorites for Ne, Ar, Kr, and Xe analysis. We are mounting now the sample sent by you, 2 years ago.

Please keep me on your mailing list.

With best regards,

Yours sincerely,

^[[Rao [[underlined]]M.N.[[/underlined]] ]]
(M.N. Rao)

MNR.mam.21.12.72
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