|
Date: |
|
Description: | Liquid compass
Card: An aluminium card which incorporates a domed float. The card is marked by both the eight points and the 360 degree markings being punched out. There are also four other holes punched out.
Needle: The four needles, in two pairs, are each held in metal tubes and are all attached to the domed float by metal brackets. Length 2.5" (6.4 cm) & 3.4" (8.6 cm)
Pivot: The pivot cap is incorporated into the domed float and the jewel can be replaced by a screw on the top of the dome.
O.A. height 1.5" (3.8 cm)
caption: Record Shot - Do not reproduce. | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | liquid compasses | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
|
|