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: £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-6pm
Last entry 5pm
Adult: £18 | Child: £9
Members go free
What's on
Back
What's on
Exhibitions
For families
Member events
Talks and tours
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!
Prince Philip Maritime Collections Centre
Events and festivals
Heritage Open Days
Celebrate England's largest festival of history and culture this September at the Prince Philip Maritime Collections Centre
National Maritime Museum
Events and festivals
Moon Celebration Week
Join us to celebrate our beautiful celestial neighbour with a range of Moon-themed activities for all ages
Stories
Back
Stories
Maritime history
Space and astronomy
Art and culture
The ocean
Time
Royal history
What is the Merchant Navy?
Discover the role and history of the commercial shipping fleet – and its connections with Royal Museums Greenwich
Night sky highlights - September 2026
Spot Neptune through a telescope, see the Moon in the Beehive Cluster, and mark the autumnal equinox and equilux.
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
Personal collections
Level
Select…
Level
Level
FILE
ITEM
Creator
Select…
Creator
Creator
Platt, John
Apply Filter
Date Range
Select…
Date Range
Date From
Select...
1763
1777
1778
1780
1781
1782
1783
1784
1785
1788
1789
1790
1792
1793
1794
1796
1797
1799
1800
1801
1804
1805
1807
1808
1819
1884
Date To
Select...
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1804
1807
1808
1813
1814
1819
Show only:
Requestable
Applied Filters
Platt, John
Clear all
showing 84 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
Logbook 1 May 1785 - 3 January 1786, Bombay Harbour - Chatham. Includes impressment exemption for Stephen Nobday, dated 21 January 1809 (Manuscript)
1785-05-01 - 1786-01-03
PLT/9
Manuscript volume of variation signals, with hand-coloured flags and pendants. (Manuscript)
PLT/39
Undated manuscript volume of compass signals etc, with hand-coloured pendants and flags. (Manuscript)
PLT/40
Journal of proceedings on board the Ship Katharine Countess of Effingham, B. Hughes Commander, J Platt mate, Thomas Earl of Effingham, the countess and suite on board, going out as governor of Jamaica 1789 (Manuscript)
1789-11-21 - 1790-04-03
PLT/11
Undated volume of signals (Manuscript)
PLT/41
Undated starboard watch bill, HMS FAVOURITE, J.Platt Capt, West Indies. (Manuscript)
PLT/54
Undated HMS ARETHUSA watch bills. (Manuscript)
1790s
PLT/52
Official orders including instructions and directions when in foreign ports, 3 printed and issued by the Admiralty Commissioners, 1 issued by George R, ordering HM Vessels not to detain or molest, during the space of four months any ship belonging to the States General of the United Provinces. (Manuscript)
1781-01-06 - 1781-02-23
PLT/22
Orders issued to HMS ISIS, by George Johnstone and Sir Edward Hughes, Admiral of the Blue. Includes: fighting instructions; disposition for the attach of the Dutch East Indies Ships lying in Saldhana Bay (Manuscript)
1781-02-06 - 1782-08-24
PLT/23
Standing orders, 20 September 1793 and order of battles (undated), issued to HMS ALLIGATOR (Manuscript)
1793
PLT/25
Notebook of general orders, Lieutenant J. Platt, HMS PRINCE OF WALES, 4 June 1797, Fort Royal Bay, Martinique. (Manuscript)
1797-06-14
PLT/27
Orders and instructions issued to HMS PORTO, by Admiral Parker, Admiral of the Blue, and Commander-in-Chief (Manuscript)
1780-12-23 - 1789-12-24
PLT/20
Instructions and order issued to HMS PORTO, George Johnstone, Commodore and commander-in--chief (Manuscript)
1780-08-01 - 1781-03-29
PLT/21
Instructions on landing troops (Manuscript)
PLT/31
Undated order book (Manuscript)
PLT/32
Signals, HMS PORTO, some with hand-coloured flags. Includes private signals, printed day and night signals, Indiamen and victualler's signal pendants. (Manuscript)
1780-07-30 - 1781-03-29
PLT/33
Logbook from HMS ISIS, signed by John Platt, St Jago - Saldanha Bay. Includes a list of ordinary seamen. (Manuscript)
1781-05-03 - 1781-07-19
PLT/2
Steel's List of the Royal Navy, 1805 and 1813 (Manuscript)
1805-1813
PLT/93-94
Logbook 22 January 1788 - 11 September 1788, kept By J. Platt, chief mate, England - Honduras - England (Manuscript)
1788-01-22 - 1788-09-11
PLT/10
Platt, John, (Fl.1780-1832) (Manuscript)
1784 - 1819
PLT/74-78
Completed form, state and condition of HMS PRINCE OF WALES, July 1800, Adrain Renou Captain. (Manuscript)
1800
PLT/64
Document on distinguishing signals for the squadron and on board his majesty's ship CENTURION (Manuscript)
circa 1790
PLT/12/2
Undated notebook covering sailing directions for Port Royal Harbour; latitudes of the Islands and Continent from Jamaica to the Bay of Honduras; list of men sent on board of prizes, 27th March 1793, sketch of ship; calculations and rules for working out longitudes and latitudes, 1785, 1789. (Manuscript)
circa 1785-1793
PLT/73/1
Impressment orders for John Platt of his majesty's ship, Alligator, Thomas Affleck Esq Commander" (Manuscript)
1794-12-20
PLT/1/2
First
Prev
Page
1
Current page
2
Page
3
Page
4
Next
Last
Loading filters
Royal Museums Greenwich
Close
Search
Want to search our collection? Search here.
Back to top