| RefNo | PT/73/3/4 | 
| Level | Item | 
| Title | Drawing, periscopic camera obscura by [William Hyde Wollaston] | 
| Date | 1812 | 
| Description | Plate 9 containing five figures sketching basic optical details of a conventional and periscopic camera obscura, periscopic prism of a camera lucida, and a periscopic microscope. The work is inscribed above with publication and plate details. Not signed. Royal Society stamp verso. Watermarked 'Ivy Mill 1807'. 
 Subject: Optics
 
 Published in Philosophical Transactions as part of paper titled 'On a periscopic camera obscura and microscope' by William Hyde Wollaston.
 
 Read to the Royal Society on 11 June 1812.
 | 
| Extent | 1p | 
| Format | Drawing | 
| PhysicalDescription | Ink on paper | 
| Dimensions | 231x185mm | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | DOI: 10.1098/rspl.1800.0253 | 
| DOI: 10.1098/rstl.1812.0021 | 
| RelatedRecord | PT/6/19 | 
| URLDescription | Digital version available on The Royal Society Picture Library | 
| URL | https://pictures.royalsociety.org/image-rs-8579 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8298 | Wollaston; William Hyde (1766 - 1828); chemist, physicist and physiologist | 1766 - 1828 |