Tate Papers ISSN 1753-9854 Tate Papers no.5 Spring 2006 TwitterFacebookEmail In this Issue Constable’s *Sketch for Hadleigh Castle* : A Technical Examination Natasha Duff A Lively Parrot: Frances Hodgkins's *Wings Over Water* Sarah Hillary and Joyce H. Townsend Military Avoidance: Marcel Duchamp and the 'Jura-Paris Road' Kieran Lyons 'Poor abraded butterflies of the stage': Sickert and the Brighton Pierrots Nicola Moorby All Systems Go: Recovering Jack Burnham’s ‘Systems Aesthetics’ Luke Skrebowski