The House of Commons: the Speaker, Arthur Onslow (seated, centre), calling upon Sir Robert Walpole (left) to speak. Stipple engraving by R. Page after W. Hogarth and J. Thornhill.

Licence: Public Domain Mark

Credit: The House of Commons: the Speaker, Arthur Onslow (seated, centre), calling upon Sir Robert Walpole (left) to speak. Stipple engraving by R. Page after W. Hogarth and J. Thornhill. Wellcome Collection. Source: Wellcome Collection.