Marine timekeeper (H2), side by John Harrison

Marine timekeeper (H2), side

John Harrison

Fine art poster

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  • Amazing giclée print quality
  • 280gsm thick fine art print paper
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We use a 280gsm fine art paper and premium branded inks to create the perfect reproduction.

Our expertise and use of high-quality materials means that our print colours are independently verified to last between 100 and 200 years.

Read more about our fine art prints.

Manufactured in the UK

All products are printed in the UK, using the latest digital presses and a giclée printmaking process.

We only use premium branded inks, and colours are independently verified to last between 100 and 200 years.

Delivery & returns

We print everything to order so delivery times may vary but all unframed prints are despatched within 2-4 days via courier or recorded mail.

Delivery to the UK is £5 for an unframed print of any size.

We will happily replace your order if everything isn’t 100% perfect.

Marine timekeeper (H2), side by John Harrison zoom

Marine timekeeper (H2), side

Marine timekeeper, H2. Made between 1737 and 1739, this is a larger and more solidly built version of H1, see ZAA0034, with the additional refinement of a remontoire - a device to ensure that the drive to the two balances is as uniform as possible. It is probable that Harrison, who had moved to London by this time, had some help in making parts of H2. Because he discovered a design fault with its balances, Harrison never allowed H2 to be tested at sea. He kept it running at his house for many years until, in 1766, it was taken from him by the Astronomer Royal under the conditions of the longitude prize.
John Harrison

  • Image reference: A6274

Discover more

More by the artist John Harrison.

Explore the collection John Harrison and the Longitude.