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-6pm
Last entry 5.15pm
Adult: £18 | Child: £9
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-7pm
Last entry 6pm
Adult: £18 | Child: £9
Members go free
What's on
Back
What's on
Exhibitions
For families
Member events
Talks and tours
Online
Events and festivals
Partial solar eclipse 2026 LIVE
Join the Royal Observatory Greenwich live online to watch the 90% partial solar eclipse visible from the UK
Cutty Sark
Experiences
Cutty Sark Rig Climb
Experience life at sea and climb the rigging of one of London's true icons
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
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 90-96% of the Sun will be covered by the Moon
ZWO Astronomy Photographer of the Year 2026 shortlist
Discover a selection of the breathtaking images shortlisted in the global astrophotography competition
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
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
Learning resources
School visits and sessions
SEND sessions and resources
Opportunities for teachers
Adult learning
Practitioner residencies
Schools
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
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
Catalogue Section
Select…
Catalogue Section
Catalogue Section
Artificial collections previously assembled
Level
Select…
Level
Level
COLLECTION
ITEM
Creator
Select…
Creator
Creator
HMS Mercury
Apply Filter
Date Range
Select…
Date Range
Date From
Select...
1782
1783
1790
1800
1811
1825
1855
1857
1859
1861
1880
1890
1891
1893
1894
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
Date To
Select...
1782
1783
1799
1800
1811
1825
1855
1857
1863
1890
1891
1892
1893
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1919
1953
Show only:
Requestable
Applied Filters
HMS Mercury
Clear all
showing 123 archive results
Sort by
Relevance
Object title/name
Object title/name (desc)
Finding reference
Finding reference (desc)
Show results as grid
Show results as list
Memo re. further trials of Automatic Gas Light. 1905. (Manuscript)
1905 - 1905
MER/112
Quotation from United Engineering Co. Ltd. to Commander H. G. Sandeman (School of Signalling), 13 October 1905. (Manuscript)
1905-10-13 - 1905-10-13
MER/115
Untitled Signal Book covering Geographical section; Ship distinguishing pennants section; 100 numeral signals; Pennants signal section; Distress signals; 72 miscellaneous numeral signals. (Manuscript)
MER/10
Letter, H.T. Buller to Everett, Admiralty House, 22 May [1900], re. direct flashing lamp. (Manuscript)
1900-05-22 - 1900-05-22
MER/42
Letter, Watson to [A. F.] Everett, Malta, 8 December 1901, re. possible visit by Mr Mitcay who has invented an instrument for quickly changing cipher messages. (Manuscript)
1901-12-08 - 1901-12-08
MER/45
Untitled Signal Book, 1811. Day signals from the Admiral; Day signals from private ships; Signals and instructions for government of the Fleet during the night; Fog signals and instructions; Rendezvous signals; List of headlands; Marine vocabulary. (Manuscript)
1811 - 1811
MER/5
Untitled Vocabulary Signal Book, 1800. A vocabulary of 2998 numeral signals; Lettered signals and significations; Miscellaneous; Signals for use in convoy; Fog and night signals (Manuscript)
1800 - 1800
MER/4
Untitled Signal Book. 1790-99. A comprehensive book of numeral signals. (Manuscript)
1790 - 1799
MER/3
Front cover only of folder entitled Flags. 1905 - 1914. (Manuscript)
1905 - 1914
MER/57
A series of Lectures and papers, 1899-1908 covering signalling during battles. (Manuscript)
1899 - 1908
MER/39
H.M.S. Mercury (Manuscript)
MER
Hand drawn plate of a form of Semaphore, written on the back of the sheet are the words 'Jack Telegraph'. (Manuscript)
MER/94
Miscellaneous collection of small signalling books, including 'French Coast Signals given to me by Captain Wolfe of the H.M.S. AIGLE April 1807' and 'Signals and Instructions for Ships under Convoy of H.M.Sloop BLOSSOM Francis Beaufort Esqr Commander. (Manuscript)
MER/24
Hefford's cypher telegraphy [n.d.] (Manuscript)
MER/98
Letter from Robert Scott to Allan Everett, H.M.S. DEFIANCE, Devonport, 13 April. (Manuscript)
MER/97
Private Signals (Manuscript)
MER/100
Marking of Funnels of H.M. Ships. (Manuscript)
MER/99
Pencil diagram of lamp base with mathematical equations. (Manuscript)
MER/96
Robinson's secret signalling with ultra violet ray. 1914. (Manuscript)
1914 - 1914
MER/91
'Suggestions regarding Forming and Disposing Signals' by Flag Lieutenant Mark Kerr. 1890. (Manuscript)
1890 - 1890
MER/29
Envelope containing miscellaneous documents and reports on signal matter. (Manuscript)
1880 - 1904
MER/28
'A Systematic Scheme for Forming & Disposing and Stationing Signals' by Sub Lieutenant A. F. Everett. 1891. (Manuscript)
1891 - 1891
MER/30
Envelope containing various signal books, pamphlets, and letters. (Manuscript)
MER/25
'Diagram Battle Signals' by Commander J. H. Brown. 1859. Contains 5 basic signals for use as Battle Signals. (Manuscript)
1859 - 1863
MER/27
First
Prev
Page
1
Page
2
Current page
3
Page
4
Page
5
…
Next
Last
Loading filters
Royal Museums Greenwich
Close
Search
Want to search our collection? Search here.
Back to top