| Collection | Jack Johns Darwin Collection |
| Description | Four A4 sheets containing information on Charles and Horace Darwin's experiments on the action of worms and the seasonal movements of stones laid on the ground. A stone in the grounds of Down House may be the stone upon which Horace carried out his experiments and is therefore called the 'wormstone'. Five leaves of an article copied from The Proceedings of the Royal Society, vol. 68, no. 446, entitled 'On the Small Vertical Movements of a Stone Laid on the Surface of the Ground' by Horace Darwin. A covering note addressed to Solene, curator of the Darwin Museum at Down House, explaining that these notes are the most recent account which Mr. Johns has written but that there are still uncertainties around certain aspects of this work. This note is signed 'Jack' and dated 9/9/90. |