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Description: | Bowl-Brass, weighted at base and suspended in brass gimbal ring. Glass has centre boss into which is screwed a magnet, length 6" (15.2cm) by 1/3" (0.6cm) with rounded tip at thread end.
Needle-Edge bar with centre ring for gimbal suspension. Rests on bell-shaped support which has soft iron tip. Wax blobs on one end.
Pivot-Steel spike in brass tube. Mounting attached to base of bowl.
Mounted in ACO stand 7.75" (19.6cm) square
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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