---
title: Harrison's H1 Timepiece
author: Metadata Deluxe
source: https://www.worldhistory.org/image/17195/harrisons-h1-timepiece/
format: machine-readable-alternate
license: Creative Commons Attribution (https://creativecommons.org/licenses/by/4.0)
updated: 2023-03-13
---
# Harrison's H1 Timepiece
_Authored by Metadata Deluxe_
## Image File
[](https://www.worldhistory.org/uploads/images/17195.jpg)
## Image Caption
John Harrison’s first marine timepiece, called H1 and created between 1730 and 1735, was designed to allow navigators to keep Greenwich time and so accurately calculate their longitude position. (National Maritime Museum, Greenwich)
## Cite This Work
### APA
Deluxe, M. (2023, March 13). Harrison's H1 Timepiece. *World History Encyclopedia*.
### Chicago
Deluxe, Metadata. "Harrison's H1 Timepiece." *World History Encyclopedia*, March 13, 2023. .
### MLA
Deluxe, Metadata. "Harrison's H1 Timepiece." *World History Encyclopedia*, 13 Mar 2023, .
## License & Copyright
[](https://www.flickr.com/photos/53000293@N03/6120139051/in/photolist-ajPj7P-2dFtEo9-2doF1Pv-SDjrQs-2dFtEHN-24aZ8Yn-2eMr4uP)This image was first published on [Flickr](http://www.flickr.com). [Original image](https://www.flickr.com/photos/53000293@N03/6120139051/in/photolist-ajPj7P-2dFtEo9-2doF1Pv-SDjrQs-2dFtEHN-24aZ8Yn-2eMr4uP) by [**Metadata Deluxe**](https://www.flickr.com/photos/53000293@N03/6120139051/in/photolist-ajPj7P-2dFtEo9-2doF1Pv-SDjrQs-2dFtEHN-24aZ8Yn-2eMr4uP). Submitted by [Mark Cartwright](https://www.worldhistory.org/user/markzcartwright/ "User Page: Mark Cartwright"), published on 13 March 2023. The copyright holder has published this content under the following license: [Creative Commons Attribution](https://creativecommons.org/licenses/by/4.0deed.en). This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. When republishing on the web a hyperlink back to the original content source URL must be included. Please note that content linked from this page may have different licensing terms.