Dipping Needle Compass, William Pope, 1820 - 1826 compass Inclination compass in cardanus ring in a wooden box. The compass boiler is weighted with a lead weight at the bottom. The rose has a hole in the middle, on which a brass bridge runs with the suspension point for the pen; The gap in the rose leaves room to let the needle attached to the bridge with an axle vertically hellen independently of the rose. The rose is balanced with thin lead. London wood (plant material). brass (alloy). iron (metal). lead (metal). glass. precious stone (material). paper

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Size: 5322px × 4261px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No

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