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Date: |
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Description: | 1845 6
519
8
DENT, Inventor &Patentee LONDON CHRONOMETER MAKER TO THE QUEEN
Bowl-Brass with heavy lead weight at base. Mounted on flanged gimbal ring. Black lubberlines painted on inside of bowl.
Card- Mica covered with paper. Black with white markings graduated to 1/4 points. Has inner graduations circle. This is graduated both quadrantally in degrees and to 360 degs. Dia. 7.5" (19cm)
Needle-Two deep edge bar needles. Length 6.25" (15.9cm) x 1.5" (3.8cm) width. Secured to a single framework by means of the boss of the cap, also by four screws at the outer ends of the legs of the frame.
Pivot-Steel needle in brass mounting attached to base of bowl. Needle fits into a 3" brass tube leading to pivot cap.
Mounted on ACO stand 9" x 8.75" (22.8 x 22.2cm) O.A.Height 7.25" (18.4cm)
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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