The lure of antique timepieces lies in their combination of art and technology. Visual clues can help date the item and identify its mechanics.
Barometers and thermometers still have their place in forecasting the weather, but early examples are now collector´s items too.
Scientists, astronomers, sailor and the general public employed a range of microscopes, telescopes and other magnifying instruments as diverse as the stargazers´six-footer to pearl encrusted opera glasses.