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Description: | Copy of a Congreve rolling ball clock, by Thwaites and Reed Ltd (?) and the Master Clock Makers Co., United Kingdom, 1970-1976. The rolling ball clock required less energy to maintain the motion and was less subject to wear, it was originally designed in 1798-1802 and patented by Sir William Congreve in 1808. | License: | http://creativecommons.org/licenses/by-nc-sa/2.5/ | Subjects: | clock replica | Temporal: | 1970-1976 | Source: | Science Museum | Creator: | Master Clock Makers Co. | Identifier: | 1976-353/1 | Go to resource |
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Key
Key for reproduction rolling-ball clock..…
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