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Azimuth angle sight
Metal frame. Mirror system similar to that of sextant. For observing horizontal sextant angles.
Horizon mirror-Mounted on brackets, has perpendicular adjustment screw. Height 3.25" (8.4cm).
Index mirror-Mounted on vertical column with adjustment screws for perpendicular and horizontal movement. Mounted to rotate in azimuth. Height 5" (12.8cm)
Brass base graduated to P (Port) 0-150 degs and S (Starboard) 0-150 degs, fitted with tangent clamp and micrometer graduated 0-10 degrees in both directions (Port and Starboard).
Horizon mirror-Mounted on brackets, has perpendicular adjustment screw. Height 3.25" (8.4cm).
Index mirror-Mounted on vertical column with adjustment screws for perpendicular and horizontal movement. Mounted to rotate in azimuth. Height 5" (12.8cm)
Brass base graduated to P (Port) 0-150 degs and S (Starboard) 0-150 degs, fitted with tangent clamp and micrometer graduated 0-10 degrees in both directions (Port and Starboard).
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Object Details
| ID: | ACO0097 |
|---|---|
| Type: | Azimuth angle sight |
| Display location: | Not on display |
| Creator: | Henry Hughes & Son Limited |
| Date made: | 1930 |
| People: | Pemberton, E L |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 145 mm x 225 mm x 210 mm |