๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

National Physical Laboratory of India


Book ID
109566654
Publisher
Nature Publishing Group
Year
1951
Tongue
English
Weight
378 KB
Volume
167
Category
Article
ISSN
0028-0836

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Design and construction of an anechoic c
โœ M. Pancholy; A.F. Chhapgar; V. Mohanan ๐Ÿ“‚ Article ๐Ÿ“… 1981 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 771 KB

The new anechoic room of the National Physical Laboratory of lndia provides a free space of 3.5 x 3"5 x 3"5 m with a lower cut-offfrequency of 70 Hz. Design details and performance characteristics of the chamber are discussed. Measures adopted to reduce the ambient noise level are also described.