Unpublished paper, 'On a simple geometrical construction, giving a very approximate quadrature of the circle' by Charles M Willich Willich shares his proposed solution to the problem of squaring the circle. Includes one geometrical figure in the text. Subject: Mathematics / Geometry Received 17 April 1855. Communicated by [George Gabriel] Stokes. Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 7 of the Proceedings of the Royal Society as 'On a simple geometrical construction, giving a very approximate quadrature of the circle'. 1855