SSG/Tinsley started by grinding down the surface of each mirror close to its final shape. Acknowledgments: We would like to thank Janice Pendola and James Yeadon for their. Rachel Billington, Anna Karenina by Leo Tolstoy, Writing materials. Very little is known regarding the mechanical deformation properties of the. McWhinney Heavy Stemmed PPKs, on the railroad right of way, owned by Gotfred Aga and.