A 1950’s ship’s gimble mounted compass by C.M. Hammer, Gothenburg, of Sweden.

Marked: C.M. HAMMAR GOTEBORG 3553

Compass card by Observator of Rotterdam.

Case: 38 x 38 x 21 cm.

16.5 kilos.

Carl Mauritz Hammar, Göteborg, Sweden, established in 1856.