Skip to main content
Become a member
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
Planetarium shows
Exhibitions
For families
Member events
Talks and tours
National Maritime Museum
Events and festivals
Women's History Month 2025
Celebrate the knowledge and achievements of pioneering women
National Maritime Museum
Exhibitions
Pirates
Explore the myth, discover the truth: book tickets for a major new exhibition coming to the National Maritime Museum in March 2025
Queen's House
Talks and tours
Salons in the Queen's House: The Solebay Tapestries
In this free lunchtime talk, hear Assistant Curator Maya Wassell Smith talk about the recent technical dye stuffs analysis of the Solebay tapestry, on display in the Queen’s House
Stories
Back
Stories
Art at the Queen's House
Our Ocean, Our Planet
Guide to the night sky
Museum blog
The pirate hunter's cup
What does a carved coconut shell have to do with one of the most deadly pirates in history? Dr Robert Blyth follows the story of Bartholomew Roberts, and the 'forgotten pirate hunter' Captain Chaloner Ogle
The story behind... The Keeper of All The Secrets
Artist Jacqueline Bishop speaks to historian Stella Dadzie about the influences behind her ceramic artwork, now on display in the Queen’s House
'Out with the camera, my senses are heightened' – behind the lens with Paul Haworth
Discover the vibrant nocturnal world of East Anglian astrophotographer Paul Haworth, shortlisted in 2024's Astronomy Photographer of the Year competition
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
Cutty Sark
National Maritime Museum
Queen's House
Royal Observatory
Become a member
Donate
Shop
Venue hire
Search
Beta
Back to Search Results
Escape wheel blank (pressed out)
Marine chronometer pressed out escape wheel blank (No 3). Marine chronometer which does not exist as a whole, but as parts numbered .1- .76
Back to Search Results
Share:
Link copied to your clipboard!
Object Details
ID:
ZAA0246.18
Type:
Escape wheel blank (pressed out)
Display location:
Not on display
Creator:
Thomas Mercer Chronometers
Date made:
1979
Credit:
National Maritime Museum, Greenwich, London
Measurements:
Overall: 15 x 15 x 1 mm
Parts:
Chronometer
Pillar plate (ZAA0246.1)
Escape wheel (ZAA0246.2)
Fourth wheel (ZAA0246.3)
Centre wheel and cannon pinion (ZAA0246.4)
Third wheel (ZAA0246.5)
Fusee ratchet wheel with clicks and springs (ZAA0246.6)
Minute wheel and pinion (ZAA0246.7)
Barrel, barrel cover and main spring (ZAA0246.8)
Balance staff with two rollers (ZAA0246.9)
Potence with screw (ZAA0246.10)
Fusee dust cap (ZAA0246.11)
Minute wheel stud (ZAA0246.12)
Steel balance blank (ZAA0246.13)
Escape wheel blank (ZAA0246.14)
Escape wheel (ZAA0246.15)
Pinion (ZAA0246.16)
Escape wheel blank (ZAA0246.17)
Escape wheel blank (pressed out) (ZAA0246.18)
Escape wheel blank (cut) (ZAA0246.19)
Balance spring with stud with collet (ZAA0246.20)
Third and fourth wheel bar and screws (ZAA0246.21)
Great main wheel (ZAA0246.22)
Barrel arbor blank (ZAA0246.23)
Barrel arbor (ZAA0246.24)
Maintaining power click (ZAA0246.25)
Fusee pipe seal (ZAA0246.26)
Maintaining power spring (ZAA0246.27)
Fusee ratchett wheel blank (ZAA0246.28)
Great wheel (ZAA0246.29)
Detent with fixing screw (ZAA0246.30)
Fusee (ZAA0246.31)
Barrel arbor (ZAA0246.32)
Hour wheel (ZAA0246.33)
Fusee chain (ZAA0246.34)
Balance cock and screw (ZAA0246.35)
Balance (ZAA0246.36)
Balance blank (ZAA0246.37)
Balance blank (ZAA0246.38)
Balance blank (ZAA0246.39)
Maintaining power spring (ZAA0246.40)
Click spring (ZAA0246.41)
Wheel (ZAA0246.42)
Wheel stud (ZAA0246.43)
Balance blank (ZAA0246.44)
Fusee (ZAA0246.45)
Pillar plate fusee (ZAA0246.46)
Balance blank (ZAA0246.47)
Fusee blank (ZAA0246.48)
Pillar (ZAA0246.49)
Pillar (ZAA0246.50)
Pillar (ZAA0246.51)
Pillar (ZAA0246.52)
Barrel bar with click and two screws (ZAA0246.53)
Set up click (ZAA0246.54)
Fusee (ZAA0246.55)
Fusee arbor (ZAA0246.56)
Fusee collet and pin (ZAA0246.57)
Great wheel (ZAA0246.58)
Ratchett wheel (ZAA0246.59)
Balance staff (ZAA0246.60)
Balance staff (ZAA0246.61)
Small roller (ZAA0246.62)
Small roller (ZAA0246.63)
Small roller (ZAA0246.64)
Escape wheel pinion (ZAA0246.65)
Escape wheel pinion (ZAA0246.66)
Escape wheel pinion (ZAA0246.67)
Escape wheel pinion (ZAA0246.68)
Escape wheel collet (ZAA0246.69)
Large roller (ZAA0246.70)
Large roller (ZAA0246.71)
Large roller (ZAA0246.72)
Large roller (ZAA0246.73)
Lower fusee bush (ZAA0246.74)
Upper fusee bush (ZAA0246.75)
Chronometer (ZAA0246.76)
Barrel (ZAA0246.77)
Set up ratchet wheel (ZAA0246.79)
Loading filters
Royal Museums Greenwich
Close
Search
Want to search our collection? Search here.
Back To Top