| RefNo | HS/6/395 | 
| Level | Item | 
| Title | Letter, from Augustus De Morgan to Sir John Herschel, dated at 91 Adelaide Road | 
| Creator | Morgan; Augustus de (1806-1871); British mathematician; logician; Professor of Mathematics at University College London | 
| Recipient | John Frederick William Herschel | 
| Date | 15 August 1867 | 
| Description | Autograph letter signed by sender. Further concerning the Newton-Pascal letters. Comments on the various line endings for poetry. Why in Runic Almanacs the days of the week begin with Monday. | 
| Language | English | 
| Extent | 4pp | 
| Format | Manuscript | 
| Place origin | 91 Adelaide Road, London | 
| Origin coordinates | 51.5442, -0.1609 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel7205
 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |