Template:Did you know nominations/Kelvite sounding machine

Kelvite sounding machine

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• ... that the Kelvite sounding machine used a chemical reaction to determine the depth of water in which a ship was sailing?

• Source: Y. Berard. "Thomson pneumatic sounder". National Oceanic and Atmospheric Administration. Retrieved 24 June 2024.

• Reviewed: Template:Did you know nominations/Kirkby Ski Slope

Created by AntientNestor (talk). Number of QPQs required: 1. Nominator has 6 past nominations.

AntientNestor (talk) 09:03, 25 June 2024 (UTC).