| RefNo | RB/2/30/1 |
| Previous numbers | MS 199, fols. 3-5 |
| Level | Item |
| Title | Discarded version of preface to `Salubrity of Air' ('Languid Motion'). |
| Date | c 1680 |
| Description | Opening lines published, the rest (on magnetical effluvia) unpublished.\r\nHand: A |
| Language | English |
| Extent | Fols. 3-5 (3 leaves) |
| Format | Manuscript |
| Notes | Fols. 4v-5 blank. |
| AccessStatus | Open |
| RelatedMaterial | 'Works', vol. 10, pp. 305-6, including hitherto unpublished material. |