3664378 Sir Isaac Holden, 1868 (oil on canvas) by Sidley, Samuel (1829-96); 140.5x110.5 cm; Bradford Art Galleries and Museums, West Yorkshire, UK; (add.info.: Sir Isaac Holden, 1st Baronet (1807??7) was an inventor and manufacturer, who is known both for his work in developing the Square Motion wool-combing machine and as a Radical Liberal Member of Parliament.); by Bradford Museums & Galleries ; English, out of copyright.