A foghorn for sailing-vessels was used in foggy wether to pinpoint the ship and to indicate how the vessel is sailing. One blast, when sailing on starboard tack. Two blasts, when sailing on port tack. Three dots, when with wind abaft the beam.
The dovetailed, pine case is painted red with stenciled Norwegian Pattern, operating instructions, original leather strap, brass side crank and copper trumped horn.

Catalog: NM.1-07
Date: late 19th century
HWL case: 38x59x20cm (15×23,2×7,9”)
Origin: England
Condition: perfect, in working condition, wear consistent with age and use