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National Maritime Museum
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Ocean: above and below
Dive into an ocean adventure with free activities every day at the National Maritime Museum this summer!
Cutty Sark
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Cutty Sark Rig Climb
Experience life at sea and climb the rigging of one of London's true icons
National Maritime Museum
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Pirates
Explore the myth, discover the truth: Pirates at the National Maritime Museum is now open
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ZWO Astronomy Photographer of the Year 2025 shortlist
Explore some of the stunning images shortlisted in the world’s biggest astrophotography competition
What is the Astronomer Royal?
The Astronomer Royal is the best-known and most prestigious post in astronomy with illustrious forebears such as Flamsteed and Halley
The bombing of Rainbow Warrior: 40 years on
Forty years ago, the attack on the Greenpeace ship Rainbow Warrior and death of photographer Fernando Pereira caused international outrage.
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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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Item Category
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Astronomical and navigational instruments
Astronomical and navigational instruments
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3. Astronomy demonstrated: instruments and models
Astrolabes and quadrants
Celestial navigation
Charting instruments
Compasses
Course, speed and distance indicators
Electronic navigation
Exploring the Arctic
Globes
Globes and globe gores
Herschel family
Meteorological instruments
Optical equipment
Popular Astronomy
Sundials
Telescopes
Telescopes at the Royal Observatory Greenwich
Telescopes Online Gallery
The Herschels as experimenters
The Herschels as instrument makers
The many faces of the telescope
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Type
Type
astronomical t&e: prism
astronomical t&e: telescope, inverting(achromatic. prismatic)
Binoculars
Box
Cabinet contents
glass block
optical t&e: binoculars
optical t&e: binoculars, galilean
Prism
Prism, Alidade
Prism, Steering
Prism - Alluminium Glass
Prism - Aluminium Glass
Prism - Calcite
Prism - Extra Dense Flint
Prism - Grown
Prism - Grwnn
Prism - White Flint
Prism 28"
Prismatic alidade
Prismatic alidade box
Prismatic alidade rod
Prismatic astrolabe
Prismatic binoculars
Prismatic compass
Prismatic Telescope
Prismatic telescope
Prismatic telescope case
Prismatic telescope case, base
Prismatic telescope case, lid
Prism eyepiece
Prisms
Prisms and box
Prysm
Rod
surveying & navigational t&e: alidade, prismatic
surveying & navigational t&e: alidade, prismatic(for use with colongue deflector)
surveying & navigational t&e: astrolabe, prismatic
surveying & navigational t&e: compass, dry card(deviation)
surveying & navigational t&e: prism, alidade(schmalcalder type)
surveying & navigational t&e: prism, steering
Telescope
Telescopic alidade
Telescopic alidade; Prism
water transport: fighting vessel: battlecruiser
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Materials
Materials
Bakelite / Phenol Formaldehyde (PF)
brass
glass
Glass
inorganic: glass
leather
mahogany
metal
metal: brass
metal alloy
plastic
steel
synthetic materials
textile
velvet
wax
wood
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Display Location
Display Location
Not on display
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Creator
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Creator
Creator
Adams, Dudley
Cooke, Troughton & Simms
Dobbie McInnes Ltd
Edward John Dent & Co.
Grubb, Howard
Herschel, William
Hilger, A
Johnson Ltd
Kollmorgen Optical Corp
L. Doignon & Malakoff
Lizars, J
Plath, C.
Ransomes & Sims
Ross Ltd
Unknown
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Places
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England
France
Glasgow
Glasgow & Edinburgh, Scotland
Hamburg
London
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Russia
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Events
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Events
Events
World War I, 1914-1918
World War I: Battle of Jutland, 1916
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Vessels
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Vessels
Vessels
Invincible (1907)
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People
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People
People
Herschel, John Frederick William
Herschel, William
Pascal, George Frederick
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Century
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Century
Century
18th
19th
20th
unknown
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1789
1790
1800
1801
1880
1893
1897
1900
1910
1914
1925
1928
1930
1932
1941
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1800
1802
1810
1880
1893
1900
1912
1914
1917
1920
1924
1928
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Prism
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showing 48 objects results
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Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
Stereo prism binocular (Binoculars)
Prismatic telescope
Prismatic astrolabe
Prism eyepiece
Telescopic alidade; Prism
Prismatic alidade
Prismatic alidade box
Izar Prism Binocular (Binoculars)
Prism 28"
Prismatic alidade
Prismatic Telescope
Prism
Prism (Cabinet contents)
Prism (Cabinet contents)
Prism
Prism - Calcite
Prism - Alluminium Glass
Prism
Prism
Prism
Prism
Prism - Extra Dense Flint
Prism, Steering
Prism
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