The Boreal Arrow 

Code BA150307731: Victorian Compass by Negretti & Zambra c. 1890

This is a victorian compass made by the famous Negretti & Zambra of London c. 1890. It comes in a brass case in excellent condition without dings or dents. The dial is mother-of-pearl, a variant of the Singer's Patent. It is marked NEGRETTI & ZAMBRA, LONDON and features very nice colours when exposed to light. It is in excellent condition and rotates smoothly to find North without any problem. It can be locked when the compass is not in use by pushing the small button under the loop. Pulling the button would release the dial. The dial is covered with a flat glass crystal in excellent condition. It measures about 48 mm in diameter.