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National Maritime Museum
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Queen's House
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Astronomers Take Over
This brand-new interactive gallery gives curious minds aged 4 to 104 the space to play, learn and explore!
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October half term at the Royal Observatory
Come along for astronomy talks, spooky tours for Halloween and more
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Remembrance: A Call to Mind
Join us for a day of stories, lived experiences, mental health perspectives and performances for this year's Remembrance Day commemorations at the National Maritime Museum
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ZWO Astronomy Photographer of the Year 2026 winners
Take a look at the winning images in the world's biggest space photography competition
Turner's 'The Battle of Trafalgar': a maligned masterpiece?
J.M.W. Turner's vast naval scene is a treasure of the Royal Museums Greenwich collection, but why was it so controversial when it was unveiled in 1824?
Dog that dived to the bottom of the ocean surfaces at the National Maritime Museum
A toy that journeyed to the very bottom of the ocean has been donated to the National Maritime Museum.
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Objects
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Item Category
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Item Category
Item Category
Astronomical and navigational instruments
Astronomical and navigational instruments
Show all
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
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Type
Type
Artificial Glass Horizon
astronomical t&e: telescope, achromatic
astronomical t&e: telescope, pocket: telescope, achromatic
Azimuth Circle
Backstaff
Backstaff vane
Backstaf vane
Bearing compass plate
Box Sextant
Box Sextant lid
Callipers
Callipers, sliding
Callipers, sliding ?
Compass and binnacle
Cross callipers
Day and night telescope
Day or night telescope
drafting t&e: protractor
Dry card compass
Dry compass
Glass log
Log glass
Look-out telescope
Lookout telescope
Naval telescope
Non-achromatic telescope
Octant
Officer of the Watch telescope
optical t&e: telescope(non-achromatic ?)
Pocket compass
Pocket telescope
Pocket telescope base of case
Pocket telescope lid of case
Pocket telescope objective lens cap
Portable telescope
Protractor
Screws for bearing plate compass
Sextant
surveying & navigational t&e: artificial horizon
surveying & navigational t&e: backstaff
surveying & navigational t&e: card, compass: compass, dry
surveying & navigational t&e: card, compass: compass, dry(experimental)
surveying & navigational t&e: circle, azimuth
surveying & navigational t&e: compass, azimuth: compass, dry card
surveying & navigational t&e: compass, dry card
surveying & navigational t&e: compass, pocket
surveying & navigational t&e: glass, log
surveying & navigational t&e: octant
surveying & navigational t&e: sextant
surveying & navigational t&e: sextant, box
Telescope
water transport: exploration/research vessel (HMS)
Materials
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Materials
Materials
brass
brass, glass, card, iron
card
cardboard
copper
enamel
glass
inorganic: glass
inorganic: mica
iron
ivory
lead
leather
mahogany
mercury
metal
metal: brass
metal: silver
mica
organic: ivory
organic: paper
paper
silver
silver?
steel
whipcord
wood
wood: ebony
wood: mahogany
Display Location
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Display Location
Display Location
Display - Atlantic Gallery
Display - ROG
Not on display
Creator
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Creator
Creator
Gilbert & Sons
Gilbert, Wright & Hooke
Places
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Places
Places
London
Unknown
Events
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Events
Events
Arctic Exploration: Franklin Search Expedition, Austin, 1850-1851
Vessels
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Vessels
Vessels
Assistance (1835)
Exhibition
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Exhibition
Exhibition
North-West Passage
Ships, Clocks & Stars: The Quest for Longitude
The Atlantic: Slavery, Trade, Empire
People
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People
People
Cook, James
Doran, Albert
Doran, Emma
Gilbert, George
Gilbert, Joseph
Harrison, Paymaster Edward Newell
Norman, J
Century
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Century
Century
18th
19th
Date Range
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Date Range
Date From
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1755
1775
1777
1785
1790
1791
1795
1810
1812
1815
1820
1825
1835
1837
1838
1840
Date To
Select...
1755
1777
1785
1791
1795
1800
1805
1820
1822
1825
1830
1835
1838
1840
1845
1847
1850
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Gilbert & Sons
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showing 33 objects results
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Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
Date
Date (desc)
Backstaff vane
Azimuth Circle
Pocket sextant (Box Sextant lid)
Pocket telescope lid of case
Pocket telescope objective lens cap
Cross callipers
Portable telescope
Dry card compass
Pocket telescope base of case
Dry compass
Lookout telescope
Dry compass
Octant
Callipers
Compass and binnacle
Naval telescope
Black glass artificial horizon (Artificial Glass Horizon)
Backstaff
Mercurial log glass (Log glass)
Azimuth Circle
Log glass
Pocket sextant (Box Sextant)
Octant
Screws for bearing plate compass
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