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Cutty Sark
Cutty Sark
Open daily 10am-6pm
Last entry 5.15pm
Adult: £18 | Child: £9
Members go free
Free
National Maritime Museum
National Maritime Museum
Open daily 10am-5pm
Last entry 4.15pm
Free entry
Booking recommended
Free
Queen's House
Queen's House
Open daily 10am-5pm
Last entry 4.15pm
Free entry
Booking recommended
Royal Observatory
Royal Observatory
Open daily 10am-7pm
Last entry 6pm
Adult: £18 | Child: £9
Members go free
What's on
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Partial solar eclipse 2026 LIVE
Join the Royal Observatory Greenwich live online to watch the 90% partial solar eclipse visible from the UK
Cutty Sark
Experiences
Cutty Sark Rig Climb
Experience life at sea and climb the rigging of one of London's true icons
National Maritime Museum
Family fun
Astronomers Take Over
This brand-new interactive gallery gives curious minds aged 4 to 104 the space to play, learn and explore!
Stories
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Stories
Maritime history
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The ocean
Time
Royal history
How to see the 12 August 2026 partial solar eclipse
Learn more about the best solar eclipse visible from the UK and Ireland so far this century, when around 90-96% of the Sun will be covered by the Moon
ZWO Astronomy Photographer of the Year 2026 shortlist
Discover a selection of the breathtaking images shortlisted in the global astrophotography competition
Making Waves: Dr Dawn Wright
Oceanographer and chief scientist Dr Dawn Wright on diving to the deepest part of the ocean – and why we need to stand up for our blue planet
Collections
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Collections Online
Search our online database and explore our objects, paintings, archives and library collections from home
The Prince Philip Maritime Collections Centre
Come behind the scenes at our state-of-the-art conservation studio
Caird Library
Visit the world's largest maritime library and archive collection at the National Maritime Museum
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From astronomy to maritime history, bring your subjects to life with our school sessions and resources
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Explore our groups, programmes and events developed with local and connected communities
Young people
Gain skills and hands-on experience with a range of creative activities, projects and events
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Item Category
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Astronomical and navigational instruments
Astronomical and navigational instruments
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Astrolabes and quadrants
Celestial navigation
Charting instruments
Compasses
Course, speed and distance indicators
Electronic navigation
Globes and globe gores
Meteorological instruments
Optical equipment
Sundials
Telescopes
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Type
Type
Box Sextant
Box Sextant lid
Double Box Sextant
Lid for Sextant
Pocket sextant
Sextant
sextant
surveying & navigational t&e: sextant
surveying & navigational t&e: sextant(enlarged form of box sextant)
surveying & navigational t&e: sextant, box
surveying & navigational t&e: sextant, box(with compass)
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Materials
Materials
brass
glass
metal
metal: brass
metal: silver
metal: silver ?
paper
silver
wood
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Creator
Creator
Adams, Dudley
Adie, Alexander James
Cary
Cary, William
Elliott Bros
Fraser, William
Gilbert & Sons
Ramsden, Jesse
Schmalcalder, Charles Augustus
Steward, J. H.
Swaisland, H
Troughton & Simms
Unknown
W. F. Stanley & Co Ltd
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Edinburgh
London
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Exhibition
Exhibition
North-West Passage
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Captain George
Gauld, John
Harrison, Paymaster Edward Newell
Sir William Gell, William
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Century
18th
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1775
1791
1795
1810
1815
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1795
1801
1805
1820
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1835
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Box Sextant
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showing 17 objects results
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Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant lid)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Lid for Sextant
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Double Box Sextant)
Pocket sextant (Box Sextant lid)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
Pocket sextant (Box Sextant)
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