| StorageSite | UCL Special Collections |
| Level | File |
| Reference Number | PEARSON/3/6/35 |
| Title | Papers Relating to "Correlation, Lenticular and General Refractions and Astigmatisms" and "Note on Lenticular Astigmatism" |
| Date | 1927 |
| Description | Consists of:
<li>letters from Louis Napolean George Filon, Albert Charles Stevenson, and Charles Howard Usher.</li>
<li>manuscript paper entitled "Correlation of Corneal, Lenticular and General Refractions and Astigmatisms" by Karl Pearson.</li>
<li>manuscript paper entitled "Note on Lenticular Astigmatism".</li>
<li>working papers on Lenticular Astigmatism.</li> |
| Extent | 4 items |
| AccessStatus | Open |
| AccessConditions | The papers are available subject to the usual conditions of access to Archives and Manuscripts material, after the completion of a Reader's Undertaking. |