GB190307126A - An Instrument for Aural and Nasal Illumination & Examination - Google Patents
An Instrument for Aural and Nasal Illumination & ExaminationInfo
- Publication number
- GB190307126A GB190307126A GB190307126DA GB190307126A GB 190307126 A GB190307126 A GB 190307126A GB 190307126D A GB190307126D A GB 190307126DA GB 190307126 A GB190307126 A GB 190307126A
- Authority
- GB
- United Kingdom
- Prior art keywords
- instrument
- aural
- nasal
- examination
- illumination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Abstract
7126. Davidson, F. N. March 27. Specula; optical instruments.-A lens 4 is mounted in a tube 2, having a sidopening 1 and an inclined plane or concave mirror 3. The mirror is provided with a central opening 9, or the silvering is removed from this portion of the glass. Three differentsized specula 8 are furnished with the instrument. The inside of the instrument is blacked to prevent cross reflection. The lens is adjustable by means of the mounting 6.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190307126T | 1903-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190307126A true GB190307126A (en) | 1903-05-21 |
Family
ID=32541726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190307126D Expired GB190307126A (en) | 1903-03-27 | 1903-03-27 | An Instrument for Aural and Nasal Illumination & Examination |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190307126A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596653A (en) * | 1967-10-17 | 1971-08-03 | Hotchkiss Instr Inc | Endoscope with coincident illumination and viewing |
US4294235A (en) * | 1977-11-22 | 1981-10-13 | Karl Storz | Laryngoscope |
-
1903
- 1903-03-27 GB GB190307126D patent/GB190307126A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596653A (en) * | 1967-10-17 | 1971-08-03 | Hotchkiss Instr Inc | Endoscope with coincident illumination and viewing |
US4294235A (en) * | 1977-11-22 | 1981-10-13 | Karl Storz | Laryngoscope |
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