| RefNo | LBO/5/44 | 
| AltRefNo | LBO/5/151 | 
| Level | File | 
| Title | Copy extract of a letter from  Richard Townley to John Collins | 
| Date | 29 January 1671/1672 | 
| Description | ' Containing some reflexions on what had been printed in 110  73  of the Philosophical Transactions about a table of the compresion of Air under water. ' 
 Contains a pen and ink mathematical diagram on page 153
 | 
| Extent | 3p | 
| Format | Manuscript | 
| AccessStatus | Open | 
| RelatedRecord | EL/B1/12 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA2898 | Collins; John (1625 - 1683); mathematician and scientific administrator | 1625 - 1683 |