Sigurdsons Atmospheric Sea-sounding Instrument – Weilbach, Copenhagen, Denmark
Stock Number: NM.4-32
A remarkable sea-sounding instrument, invented by the Norwegian Captain Sigurdsons, based on atmosheric pressure as the sea-sounding instrument of Wigzell.
Country of manufacture
A remarkable sea-sounding instrument, invented by the Norwegian Captain Sigurdsons, based on atmospheric pressure as the sea-sounding instrument of Wigzell. The instrument is put away in a pine box with a deep lead. On the lid an instruction sheet pasted to the inside.
The instrument exists of a clear tube mounted inside a brass housing. The housing is fixed on a lanyard. The top end of the lanyard will be fixed to a sling and with the lead on the other side it will be dropped into the water.
Pressure forces water into the tube depending on the the depth. Back on deck the water column indicates he depth to be read in meters and fathoms at the scale.
HWL case: 6,5×57,5×11,5 cm (2.5×22.5×4.5 in)
Signed: Sigurdsons Depth Recorder
Condition: very good
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Welcome to the catalogue of Archipel International Maritime Gallery, specialist in nautical antiques and collectables.
Archipel International Maritime Galery in the Netherlands, sets itself to maritime objects, globes and sea charts of before 1900. The managing director worked as officer with the mercantile marine and the Royal Navy. As curator he was connected to one of the University Museums in the Netherlands. As seaman and curator he has a lot of knowledge of naval history. The entire Archipel collection can be found at the site Archipel-img.com.