Look Out

Half marathon notice

Visitor notice: On Sunday 4 March Cutty Sark and the museum car park will be closed for the Vitality Big Half Marathon. All other museums will be open as normal and DLR and rail links will be running. Find out about road closures

Explore the changing world of optical aids from telescopes and beyond. But beware – you may have to look hard!

What has a jug with a likeness of Nelson got to do with a theodolite such as you would see a civil engineer peering into on a building site? From sextants and telescopes to binoculars, come on a trail and find out what people peer through and why.

Portable reflector telescope

This is a portable Gregorian (reflecting) telescope.


A theodolite is a surveying instrument with a telescope for measuring horizontal and vertical angles.