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Cutty Sark
Cutty Sark
Open daily 10am-5pm
Last entry 4.15pm
Adult: £22 | Child: £11
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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 5.15pm
Adult: £24 | Child: £12
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ZWO Astronomy Photographer of the Year exhibition
See the world's greatest space photography at the National Maritime Museum
Cutty Sark
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Opera at Cutty Sark with Monteverdi Choir and Orchestras
An immersive rendition of Purcell’s Dido and Aeneas performed by the Monteverdi Choir and English Baroque Soloists
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!
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Must-see artworks in the Queen's House
What to look out for in the inspiring new take on the Queen’s House’s displays in 2026
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% of the Sun will be covered by the Moon
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
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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
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
A. Mirror
astronomical t&e: elliptical plane component: axis
astronomical t&e: telescope (20ft)
astronomical t&e: telescope component: disc, speculum metal
astronomical t&e: telescope component: mirror
astronomical t&e: telescope component: mirror(Gregorian)
astronomical t&e: telescope component: mirror, convex(cassegrain reflector)
astronomical t&e: telescope component: mirror, elliptical plane
astronomical t&e: telescope component: mirror, objective(Gregorian)
astronomical t&e: telescope component: mirror, speculum
astronomical t&e: telescope component: mirror, speculum(5 inch)
astronomical t&e: telescope component: mirror, speculum(7ft Gregorian)
astronomical t&e: telescope component: mirror, speculum(9 inch)
astronomical t&e: telescope component: mirror, speculum metal
Cassegrain secondary mirror
Gregorian mirror
Gregorian primary mirror
Gregorian secondary mirror
Herschelian (?) primary mirror
Herschelian primary mirror
Metal mirror
Mirror
Mirror and box
Newtonian primary mirror
Newtonian secondary mirror
Unfinished mirror
Unfinished Newtonian primary mirror
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Materials
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Materials
Materials
brass
metal
speculum metal
speculum metal???
textile
wood
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Display Location
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Display Location
Display Location
Not on display
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Creator
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Creator
Creator
Herschel, Caroline Lucretia
Herschel, John Frederick William
Herschel, William
Johann Alexander Herschel
Unknown
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Places
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Places
Places
Bath
Observatory House, Slough, England
Unknown
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People
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People
People
Herschel, William
Royal Astronomical Society
Royal Greenwich Observatory
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Century
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Century
Century
unknown
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Date Range
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Date Range
Date From
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1701
1768
1773
1784
1795
1815
Date To
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1778
1794
1800
1805
1822
1825
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speculum metal
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showing 30 objects results
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Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
20ft Herschelian primary mirror (Herschelian primary mirror)
Newtonian secondary mirror
Gregorian secondary mirror
Gregorian secondary mirror
Newtonian secondary mirror
Gregorian primary mirror
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