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Cutty Sark
Cutty Sark
Open daily 10am-5pm
Last entry 4.15pm
Adult: £22 | Child: £11
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-6pm
Last entry 5pm
Adult: £24 | Child: £12
Members go free
What's on
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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!
Queen's House
Events and festivals
Raphael Wallfisch at the Queen's House: Bach's Cello Suites Recital
Don't miss this unique night with one of the greatest cellists of our time
National Maritime Museum
Talks and tours
In conversation with Luke Jerram
Join internationally acclaimed artist Luke Jerram for an evening exploring the stories behind his sculptures
Stories
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Stories
Maritime history
Space and astronomy
Art and culture
The ocean
Time
Royal history
ZWO Astronomy Photographer of the Year 2026 winners
Take a look at the winning images in the world's biggest space photography competition
What is the Merchant Navy?
Discover the role and history of the commercial shipping fleet – and its connections with Royal Museums Greenwich
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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Donating items to our collection
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
Communities
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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Type
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Cog
Metal bar, with grooves
Metal plate
Metal sheet
Punch
surveying & navigational t&e: telescope: transit circle, refracting
Telescope
Tube
Tube eyepiece
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Materials
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Bakelite / Phenol Formaldehyde (PF)
electrical components
glass
metal
wood
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Display - ROG
Not on display
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Airy, George Biddell
Ransomes & May
Troughton & Simms
Unknown
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England
Greenwich
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Airy, George Biddell
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Century
Century
19th
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1840
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1851
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1850
1851
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Ransomes & May
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showing 24 objects results
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Metal bar, with grooves
Tube eyepiece
Metal sheet
Metal sheet
Metal plate
Tube
Cog
Cog
Metal bar, with grooves
Metal bar, with grooves
Metal sheet
Cog
Airy's transit circle (Telescope)
Punch
Metal plate
Cog
Metal bar, with grooves
Cog
Cog
Metal sheet
Metal sheet
Cog
Cog
Cog
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