| RefNo | RB/2/16/13 |
| Previous numbers | MS 185, fols. 38v-40 |
| Level | Item |
| Title | 'Advertisement' to an unpublished essay |
| Date | c 1686 |
| Description | 'Advertisement' to an unpublished essay 'haveing [sic.] been written many years since', to show that light's 'origine is mechanical'. Apparently intended for the unpublished 'Mechanical Production of Light'.
\r\nHand: Smith |
| Language | English |
| Extent | Fols. 38v-40r (3 leaves) |
| Format | Manuscript |
| Notes | Folio 38r is blank. |
| AccessStatus | Open |
| RelatedMaterial | Published in 'Works', vol. 14, pp. xiii-xiv. |