Improvement on the Graduator and its Reading Systems in the LLMC

WANG Xiao-bin; ZHANG zhou-sheng

Publications of the Yunnan Observatory > 2000 > 0(4): 47-50.

WANG Xiao-bin, ZHANG zhou-sheng. Improvement on the Graduator and its Reading Systems in the LLMC[J]. Publications of the Yunnan Observatory, 2000, (4): 47-50.

Citation:

WANG Xiao-bin, ZHANG zhou-sheng. Improvement on the Graduator and its Reading Systems in the LLMC[J]. Publications of the Yunnan Observatory, 2000, (4): 47-50.

Citation:

WANG Xiao-bin, ZHANG zhou-sheng. Improvement on the Graduator and its Reading Systems in the LLMC[J]. Publications of the Yunnan Observatory, 2000, (4): 47-50.

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Improvement on the Graduator and its Reading Systems in the LLMC

Yunnan Observatory, The Chinese Academy of Sciences, Kunming 650011, China

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Received Date: July 12, 2000
Published Date: October 14, 2000

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Abstract

Abstract

Requirements of precisionin manufacturing and assembling of the graduator and the reading microscopes in the LLMC are introduced in this paper.The problems from manufacture and assemble of the circle and those existing in the reading systems are described .Acco rding to the practical situation, the necessity that the fixed-angular method is used to determine the correction of the divided lines is discussed.
- LLMC,
- graduator,
- reading system

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