The properties and testing of optical instruments

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050 0 0 ‡aQC100 ‡b.U555 no. 27a
051 ‡aQC371 ‡b.U6 1918
110 1 ‡aUnited States. ‡bNational Bureau of Standards.
245 1 4 ‡aThe properties and testing of optical instruments.
250 ‡a2d ed. ‡bIssued Aug. 9, 1918.
260 ‡aWashington, ‡bGovt. Print. Off., ‡c1918.
300 ‡a41 p. ‡c28 cm.
490 0 ‡aCircular of the Bureau of Standards, ‡vno. 27
500 ‡aThe first edition has title: The testing and properties of optical instruments.
500 ‡aRunning title: Optical instruments.
500 ‡aAt head of title: Department of Commerce.
500 ‡aS.W. Stratton, director.
538 ‡aMode of access: Internet.
650 0 ‡aOptical instruments.
776 0 8 ‡iOnline version: ‡aUnited States. National Bureau of Standards. ‡tProperties and testing of optical instruments. ‡b2d ed. ‡dWashington, Govt. Print. Off., 1918 ‡w(OCoLC)632689051
CID ‡a007291264
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DAT 2 ‡a2020-04-05T17:30:02Z
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