Collection

Mine surveyor's kit, 1701-1800

Made:: 1701-1800 in Germany

Mine surveyor's kit, contains hanging compass, hanging clinometer, protractor, ruler, in fitted leather case, 1701-1800

Magnetic compasses are portable and easy to use for rapid surveying where high accuracy is not required. Particularly useful in mines, the compass could be hung on hemp rope stretched along the mine gallery and the compass points used to call the direction of mineral veins.

Details

Category:: Surveying

Collection:: Sir Henry Wellcome's Museum Collection

Object Number:: 1980-1624

Materials:: case, leather

type:: mining dial, clinometer, magnetic compass and protractor

credit:: On loan from the Wellcome Trust

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Parts

Part mine surveyor's kit, 1701-1800

Part mine surveyor's kit, 1701-1800

Hanging compass from Mine surveyor's kit, which contains hanging clinometer, protractor and ruler, in fitted leather case, German, 1701-1800.

More

Magnetic compasses are portable and easy to use for rapid surveying where high accuracy is not required. Particularly useful in mines, the compass could be hung on hemp rope stretched along the mine gallery and the compass points used to call the direction of mineral veins.

Measurements:: overall: 145 mm x 140 mm x 110 mm, .17kg

Materials:: brass (copper, zinc alloy) , glass , zinc (metal) and steel (metal)

Object Number:: 1980-1624/1

type:: instrument component , mining dial , clinometer and protractor

Mine surveyor's kit, 1701-1800

Mine surveyor's kit, 1701-1800

Fitted leather case for mine surveyor's kit, which contains hanging clinometer, protractor and ruler, 1701-1800

More

Magnetic compasses are portable and easy to use for rapid surveying where high accuracy is not required. Particularly useful in mines, the compass could be hung on hemp rope stretched along the mine gallery and the compass points used to call the direction of mineral veins.

Measurements:: overall: 85 mm x 196 mm x 150 mm, .84kg

Materials:: brass (copper, zinc alloy) , felt , leather , wood (unidentified) , cotton thread and sellotape

Object Number:: 1980-1624/2

type:: instrument component and instrument case

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