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Lord Kelvin's patent no.3787
A brass cylinder designed to be used with a glass tube, lined with a substance that changes colour on contact with water. Signed by Kelvin and James White Ltd.
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Object Details
| ID: | ZBA0558 |
|---|---|
| Type: | Pressure sounding tube |
| Display location: | Not on display |
| Creator: | Kelvin & James White Ltd |
| Date made: | circa 1905 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 680 mm; Diameter: 25 mm |