It willbenoted the objectives are supported in a manne'r prevent g entrance of st or foreign particles into the objective units. G02B21/18- Arrangements with more than one light path, e.g.G02B- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS.240000004092 Platanus occidentalis Species 0.000 description 2.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH Priority to US429479A priority Critical patent/US1818974A/en Application granted granted Critical Publication of US1818974A publication Critical patent/US1818974A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Ernst Leitz Wetzlar GmbH Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US429479A Inventor Engelmann Max Current Assignee (The listed assignees may be inaccurate. Google Patents US1818974A - Binocular microscopeĭownload PDF Info Publication number US1818974A US1818974A US429479A US42947930A US1818974A US 1818974 A US1818974 A US 1818974A US 429479 A US429479 A US 429479A US 42947930 A US42947930 A US 42947930A US 1818974 A US1818974 A US 1818974A Authority US United States Prior art keywords carrier objectives microscope pairs binocular Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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