|
Date: |
|
Description: | (MSS) - A B. 111 13deg 00min Feb 10 No 2.
(MSS) - A B. 116 = 15deg 45min 25.4.01
(in MSS) - Compass card for metal gimbal table. Card No 1.
(in MSS) - Compass card for metal gimbal table. Card No 2.
(in MSS) - Compass for metal gimbal table. Card No 1
(in MSS) - Compass for metal gimbal table. Card No 2.
Dennison London Royal Observatory Greenwich
N S A B. 116
Bowl: Copper painted black. Stands on three legs and has a stop mechanism outside wall. Glazed. Painted white inside with black lubber line. One black bar support for pivot holder attached to inside wall. Glazed top is removable.
Card: Paper covered mica. Blue with black markings graduated 0 - 90 deg quadrantally and in quarter points. Decorated North point. Screw bar runs N-S with brass weights. Balancing weight on underside. Diameter 7.55" (19.4cm) Both cards are identical.
Needle: Two parallel bar needles held in position by brass cross strut. Length 6.5" (1.5cm) x 0.5" (0.6cm) wide.
Pivot: Brass pivot going into a jewelled pivot cap. Stop mechanism slides up pivot support. Both card boxes contain spare pivots.
O.A. Height 7.5" (19.1cm)
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Discovery 1901 Challenger (1858) Terra Nova fl.1910 | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
|
More Like this...
-
-
-
-
-
-
-
Dry compass
71/4 No15 B4/Card s/1839 2910/apl.151844/28-0…
-
-
-
|