JEWELLERY, DECORATIVE & FINE ARTS AUCTION Tuesday, 17 February 2026 / 10:00 am start

A Victorian c.1875 James How dip-circle,

Estimate $600 - $1,000

Realised: $400 plus premium

Lot Details

no. 2157, with brass body, mahogany case and silvered circle dial. The top with bone plaque named: 'James How - successor to G. Knight & Sons, London'. The circular adjustable base with three adjustable feet. 190 x 120 x 240mm. Note: Used to measure the vertical component of the earth's magnetic field.

A Victorian c.1875 James How dip-circle, Image 1++
A Victorian c.1875 James How dip-circle, Image 1++
A Victorian c.1875 James How dip-circle, Image 1++
A Victorian c.1875 James How dip-circle, Image 1++
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