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Mining compass in engraved ivory case, Italian, 17th century

Mining compass in engraved ivory case, Italian, 17th century

1601-1700

Mining dial by J. Casartelli of Manchester

Mining dial by J. Casartelli of Manchester

1871-1900

Mining compass & clinometer, German, 1901-1907

Mining compass & clinometer, German, 1901-1907

1901-1907

Mining compass, Italian , 1769

Mining compass, Italian , 1769

1769

Mining dial, English, 1828-1873

Mining dial, English, 1828-1873

1828-1873

Part of miner's surveying compass, British, 1845-1855

Part of miner's surveying compass, British, 1845-1855

1845-1855

6" brass mining dial signed E.T. Newton

6" brass mining dial signed E.T. Newton

1801-1900

Part of Lean type mining dial by W. & S. Jones, Holborn, London, England, 1801-1825

Part of Lean type mining dial, British, 1801-1825

1801-1825

Main part of Lean type mining dial by W. and S. Jones, Holborn, London, 1801-1825

Part of Lean type mining dial, 1801-1825

1801-1825

Miner's surveying compass (mining dial) by Henry Barrow & Co.., 2 Oxenden St., London, England, 1845-1855

Miner's surveying compass, 1845-1855

1845-1855

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

Mine surveyor's kit, 1701-1800

1701-1800

Hedley type mining dial by B. J. Hall and Co., c. 1920

Hedley type mining dial by B. J. Hall and Co.

1920

Lean's mining dial by W. & S. Jones, Holborn, London, 1801-1825

Lean type mining dial, 1801-1825

1801-1825

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

Part mine surveyor's kit, 1701-1800

1701-1800