Circular wooden box and parts

Made:: 1840

Details

Category:: Terrestrial Magnetism

Object Number:: 1876-796 Pt2

type:: box - container

credit:: Meteorological Office

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Parts

Maker's mark

Makers' marks, Maker's mark. Made by Grubb, Thomas

Object Number:: 1876-796 Pt2/1

type:: makers' marks

Image ©: The Board of Trustees of the Science Museum

component

Metal compoenent a rectangle of unknown metal (copper? brass?) with two handles on one edge and a semicircle ring on the other.

Materials:: metal (unknown)

Object Number:: 1876-796 Pt2/2

type:: components

Image ©: The Board of Trustees of the Science Museum

component

Metal component, a rectangle with a notch in the middle of each side, the end pieces are circles and there are two handles on one edge.

Materials:: metal

Object Number:: 1876-796 Pt2/3

type:: components

components

Four brass components, two are two slightly smaller rings with a screw thread in the middle. The other two have a larger hole in the middle with three small holes around the outside.