906 
Name: Scientific-Research Institute of Gold Mining and Prospecting 
(Nauchno-issledovatel'skiy gorno-razvedochnyy institut po zolotu-- 
Nigrizoloto) 
Address: Moscow, Verkhnyye Kotly, 72-a 
Director: -=- 
Deputy Director: -- 
Administrative Affiliation: -= 
Selected Staff Members: N. G. Klimenko 
Description: 
The staff has conducted extensive research in ore beneficiation, 
flotation methods, and ore dressing. Vibration milling of ores has also 
been studied. Radioactive isotopes have been utilized in assaying ore 
samples. Chemical analysis by microtechniques has also been studied. The 
Institute publishes a Trudy. 
907 
Name: Scientific-Research Institute of High-Frequency Currents imeni 
Professor V. P. Vologdin 
(Nauchno-issledovatel'skiy institut tokov vysokoy chastoty imeni 
professora V. P. Vologdina--NIITVCh) 
Address: Leningrad 
Director: M. A. Spitsyn (1959) 
Deputy Director: N. I. Glukhanov, Candidate (1960) 
Administrative Affiliation: -- 
Selected Staff Members: 
V. N. Bogdanov, Candidate, Head of Laboratory 
I. T. Fedorova 
A. A. Fogel’, Candidate 
G F. Golovin 
I. Lunin 
A. A. Shekalov, Candidate 
Description: 
Apparatus developed by this institute includes a machine for welding 
stainless steel pipe, high-frequency-current induction heaters, equipment 
for welding plastics, a semiautomatic bending-hardening machine, quenching 
