|
You are here |
www.sciencemuseum.org.uk | ||
| | | | |
nhm.org
|
|
| | | | | Stromatolites and trilobites | |
| | | | |
collection.sciencemuseumgroup.org.uk
|
|
| | | | | Silver pair-cased marine timekeeper, known as H5, by John Harrison & Son, London.,White enamel dial with gold central star to adjust hands. Verge escapement with Harrison's special diamond pallets. Steel balance and spring. Fusee. Maintaining power. 7 1/2 seconds remontoir on 4th wheel. All wheels from the 3rd, jewelled. Long bimetallic strip on adjustable frame. Original key and starting pin. Signed 'John Harrison & Son London 1770 No. 2'. Case hallmarked for 1768 - 9 and stamped 'HT' (probably Henry Ta... | |
| | | | |
www.grymvald.com
|
|
| | | | | Since moving north a few years ago, I've been meaning to visit Cave of the Mounds . It's "a natural limestone cave located near Blue Mound... | |
| | | | |
write.hamster.dance
|
|
| | | What's in a watch? Why wear one today, when there are so many other ways to keep track of time? And why is the technologically humble wri... | ||