Letter, from John Elton to Cromwell Mortimer, dated at London
Reference number: EL/E/11
Date: 15 July 1732
Description
Covering letter enclosing a paper with a description of a new quadrant which can take altitudes without an horizon
Paper explains how to use the quadrant with an engraving of it
Note states: 'Not to be entered [in the Letter Book]'
Printed in 'Philosophical Transaction', vol 37, no 423, p 273
- Reference number
- EL/E/11
- Earliest possible date
- 15 July 1732
- Page extent
- 6 pages
- Format
- Manuscript
- Also available on Early Modern Letters Online
- View
Use this record
Export this record
Citation
John Elton, Letter, from John Elton to Cromwell Mortimer, dated at London, 15 July 1732, EL/E/11, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/el_e_11/letter-from-john-elton-to-cromwell-mortimer-dated-at-london, accessed on 12 July 2026
Link to this record
https://makingscience.royalsociety.org/items/el_e_11/letter-from-john-elton-to-cromwell-mortimer-dated-at-london
Embed this record
<iframe src="https://makingscience.royalsociety.org/embed/items/el_e_11/letter-from-john-elton-to-cromwell-mortimer-dated-at-london" title="Letter, from John Elton to Cromwell Mortimer, dated at London" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>
Related Publications
-
II. The description of a new quadrant for taking altitudes without an horizon, either at sea or land. External link, opens in new tab.
Date: 31st December 1731
DOI: 10.1098/rstl.1731.0048
Hierarchy
This item is part of:
-
'Early letters': letters from correspondents in natural philosophy sent to the Royal Society and its Fellows
1613-1740 Reference number: EL -
Related Fellows
-
Cromwell Mortimer
Recipient
Map
Explore the collection
-
Early Letters
The archival collection known as 'Early Letters' is composed of original manuscript letters sent to, or collected by, the Royal Society from English and foreign correspondents.
Dates: 1613 - 1740
View collection