WWI British The Steward Patent Liquid Prismatic Compass c.1913 Excellent Condition Marked J. H. Steward Ltd, 406 Strand London. The Steward Patent Liquid Prismatic Compass. Stamped Pat. No. 14083/13 on the base. Condition: in excellent condition, the black lacquer is in very good condition, the liquid and bubble are still present. Working correctly. Case is original and shows signs of wear and use. Damage to stitching and the buckle and strap are missing. Comes with original sales tag. Any questions, please ask!