Skip to main content
Membership
Donate
Shop
Venue hire
Search
Royal Museums Greenwich
Main navigation
Menu
Royal Museums Greenwich
Search
Close
Plan your visit
Back
Plan your visit
Tickets and prices
Getting here
Accessibility
Family visits
Group visits
School visits
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-5pm
Last entry 4.15pm
Adult: £24 | Child: £12
Members go free
What's on
Back
What's on
Exhibitions
For families
Member events
Talks and tours
National Maritime Museum
Exhibitions
ZWO Astronomy Photographer of the Year exhibition
See the world's greatest space photography at the National Maritime Museum
Cutty Sark
Family fun
Cutty Sark Easter holidays
Climb aboard Cutty Sark and enjoy workshops, live performances and fantastic family activities across the Easter holidays
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
Back
Stories
Maritime history
Space and astronomy
Art and culture
The ocean
Time
Royal history
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
Sea Empress oil spill – 30 years on
Explore the legacy of the Sea Empress oil spill, and meet the people working to prevent disaster at sea today
'Observing the Universe reveals how small yet precious we are'
An accident led Takanobu Kurosaki to rediscover life’s beauty and fall in love with astrophotography. Explore his image shortlisted in ZWO Astronomy Photographer of the Year 2025
Collections
Back
Collections
Conservation
Research
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
Learn
Back
Learn
School trips and workshops
Self-guided school visits
Online resources and activities
Booking an on-site schools session
Booking a digital schools session
Young people and youth groups
Support us
Back
Support us
Become a member
Donate
Corporate partnerships
Become a patron
Leave a legacy
Commemoration and celebration
Our sites
Cutty Sark
National Maritime Museum
Queen's House
Royal Observatory
Membership
Donate
Shop
Venue hire
Search
Beta
Back to all results
Explore our Collection
Objects
Library
Archive
Search our collection
filters…
Search
Item Category
Select…
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
Apply Filter
Apply Filter
Type
Select…
Type
Type
Aircraft sextant
Air sextant
Box for a Bubble Sextant
Bubble Sextant
Bubble sextant, electric
Bubble Sextant batteries
Bubble Sextant battery
Bubble Sextant battery charger
Bubble Sextant battery charger part
Bubble Sextant box
Bubble Sextant bubble
Bubble Sextant lightbulb
Bubble Sextant reflecting flat
Bubble Sextant reflecting flat?
Bubble Sextant reflecting flat holder
Bubble Sextant spare eyepiece unit
Marine bubble Sextant battery
Sextant
sextant, bubble
Sextant, electric
Sextant, electric ?
SOLD Bubble Sextant
surveying & navigational t&e: sextant, bubble
Apply Filter
Materials
Select…
Materials
Materials
alloy
Bakelite / Phenol Formaldehyde (PF)
bakelite/Tufnol
brass
glass
leather
metal
metal: alloy
metal: alloy, aluminium
metal: aluminium
paper
plastic
rubber
synthetic: plastic
textile
wood
Apply Filter
Display Location
Select…
Display Location
Display Location
Not on display
Apply Filter
Creator
Select…
Creator
Creator
Ever Ready Co. (Great Britain) Ltd
Henry Hughes & Son Limited
Plath, C.
Shimadzu Corporation
Unknown
Apply Filter
Places
Select…
Places
Places
England
Germany
Hamburg
Japan
London
Unknown
Apply Filter
Century
Select…
Century
Century
unknown
Apply Filter
Date Range
Select…
Date Range
Date From
Select...
1926
1935
1936
1937
1938
1949
Date To
Select...
1926
1945
1946
1947
1948
1949
Apply Filter
Show only:
With images
Applied Filters
Bubble Sextant
Clear all
showing 38 objects results
Sort by
Relevance
Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
Sold-Libellensextant (Bubble Sextant)
Sold-Libellensextant battery charger part (Bubble Sextant battery charger part)
Box for a Bubble Sextant
Sold-Libellensextant KM 2 (Bubble Sextant)
Sold-Libellensextant lightbulb (Bubble Sextant lightbulb)
Sold-Libellensextant lightbulb (Bubble Sextant lightbulb)
Mark IXA (Bubble Sextant)
Sold-Libellensextant (Bubble Sextant)
Sold-Libellensextant reflecting flat? (Bubble Sextant reflecting flat?)
Mark IXA (Bubble Sextant)
Libellen-Oktantv (Bubble Sextant)
Sold-Libellensextant battery charger (Bubble Sextant battery charger)
Type 2 (Bubble Sextant)
Libellen-Oktant (Bubble Sextant)
Sold-Libellensextant battery (Bubble Sextant battery)
Marine Bubble Sextant lightbulb (Bubble Sextant lightbulb)
Marine Bubble Sextant spare eyepiece unit (Bubble Sextant spare eyepiece unit)
Marine Bubble Sextant battery (Bubble Sextant battery)
Mark IX (Bubble Sextant)
Sold-Libellensextant (Bubble Sextant)
Mark IXB (Bubble Sextant)
Marine Bubble Sextant (Bubble Sextant)
Sold-Libellensextant battery (Bubble Sextant battery)
Sold-Libellensextant reflecting flat? (Bubble Sextant reflecting flat?)
First
Prev
Current page
1
Page
2
Next
Last
Loading filters
Royal Museums Greenwich
Close
Search
Want to search our collection? Search here.
Back to top