| Description | Other Machinery made by Boulton & Watt (2 items).
1441d. Other Water Rams. Not dated, 1811. 2 items.
Parts of various designs of water rams - sheet of 17 figures marked "Hydraulic Ram" [a sheet of drawings for a patent application?].
"Mr. Jones, Sawbridgeworth, Herts. - Drawings of an Hydraulic Ram proposed by him for his Estate at Twickenham Park near Kingston, Jamaica" - shaded elevations, Feb. 1811.
[For drawings of the water ram for Falmouth, Jamaica, see portfolio 5/1109, in the series of Water Works Engines drawings. For letters and papers relating to Aimé Argand's invention of the ram and its patenting in England by Boulton & Watt, see the bundle in the Correspondence & Papers, Special Subjects & Correspondents series [MS 3147/3/485].] |