Content Description | Typescript of Specification, n.d. [c.1990]; Letter from Eric Potter & Clarkson to Peter Mansfield dated 8 August 1990, with draft formal drawings; Copy of part of patent specification with handwritten amendments, n.d. [c.1990]; Letter from Eric Potter & Clarkson to Peter Mansfield dated 18 July 1991, with final draft specification and handwritten diagrams; Letter from Eric Potter & Clarkson to Peter Mansfield dated 26 July 1990, with draft specification with handwritten annotations; Letter from Eric Potter & Clarkson to Peter Mansfield, n.d. [c.1990], with copy of Patent Application. |