I visited the Science Museum in London today, and spent an extraordinary long time in the 'Measuring Time' gallery.
The sections I focussed on were: escape mechanisms, sand-glasses, sundials, long case clocks, master clocks, watches and pocket watches. Here are some photos I took, and in the next few weeks I'll post some more photos of specific clocks and watches I saw:
Electric Master Clocks:
- Synchronome clock fitted with Shortt 'hit and miss' synchroniser (by Synchronome Co. Ltd)
- Bartrum's free pendulum clock (by Bartrum) - 2 clock boxes right next to each other
- Free-pendulum clock maintained by rolling balls (by Captain E E Craig)
- Pulsynetic time transmitter (by Gent and Co. Ltd)
Mechanical Watches, including Rolex, Smiths etc
Old Pocket Watches by makers such as George Graham, Thomas Tompion, Terroux, Ferdinand Berthoud, John Arnold
Sundials
Sand-glasses

Long case clocks:
- Pendulum clock by Ahasuerus Fromanteel, c1665
- Long case clock by Thomas Tompion c1700
- Regulator clock by BL Vulliamy 1832