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Start Over Subjects Telescopes ✖Remove constraint Subjects: Telescopes Subjects United States ✖Remove constraint Subjects: United States Titles Report on Project no. 40 -- military characteristics of spectacle-type binoculars ✖Remove constraint Titles: Report on Project no. 40 -- military characteristics of spectacle-type binoculars Languages English ✖Remove constraint Languages: English

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  • Report on Project no. 40 -- military characteristics of spectacle-type binoculars1