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Distance meter
Alloy with brass fittings and wooden handle attached to underside.
Index mirror: alloy fixed mount with capstan screw adjustment for perpendicularity.
Horizon mirror: alloy mount. Adjustment in both planes by capstan screws.
Instrument body: alloy rectangular box. Rectangular hole on one side , T-shaped slot at one end and circular hole at opposite end to which is attached a thin brass collar. This aperture is also provided with a sliding bras shutter which houses a peep-hole sight. An alloy lid is provided, to which is attached a hinged brass flap.
Index mirror: alloy fixed mount with capstan screw adjustment for perpendicularity.
Horizon mirror: alloy mount. Adjustment in both planes by capstan screws.
Instrument body: alloy rectangular box. Rectangular hole on one side , T-shaped slot at one end and circular hole at opposite end to which is attached a thin brass collar. This aperture is also provided with a sliding bras shutter which houses a peep-hole sight. An alloy lid is provided, to which is attached a hinged brass flap.
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Object Details
| ID: | NAV1100 |
|---|---|
| Type: | Distance meter |
| Display location: | Not on display |
| Creator: | T. Cooke and Sons Ltd |
| Date made: | 1915 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 76 mm x 145 mm x 100 mm |
| Parts: | Distance meter |