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<p>[QUOTE=&quot;afantiques, post: 189340, member: 25&quot;]50 years ago was 1966, a time of jet engines and orbital rockets; you could find comparably accurate instruments 100 years earlier than that.</p><p><br /></p><p>Probable reason that there is little interest in such relatively modern equipment, which may still be in use in some engineering applications, is that unless you want to do some fine measuring it is neither use nor ornament.[/QUOTE]</p><p><br /></p>

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