| RefNo | CLP/2/36/3 | 
| Level | Item | 
| Title | Diagram, construction of catoptric microscope by [Robert Barker] | 
| Date | [1735] | 
| Description | Outline draft of figure 5 showing the construction of Barker's catoptric microscope.
  Subject: Optics
  Published in Philosophical Transactions as 'A catoptric microscope'.
  Read to the Royal Society on 8 January 1735. | 
| Extent | 1p | 
| Format | Diagram | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
| RelatedMaterial | DOI: 10.1098/rstl.1735.0052 Printed in 'Philosophical Transactions', vol 39, no 442, p 259 (1735) | 
| RelatedRecord | RBO/19/39 | 
| CLP/2/36 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA572 | Barker; Robert (- 1745) |  - 1745 |