david bomberg
http://www.tate.org.uk/servlet/ViewWork?workid=1240&tabview=image

L Freud

http://www.creative-choices.co.uk/
Useful-looking website

http://www.printfreegraphpaper.com/

Martin Westwood

http://www.theapproach.co.uk/artists/westwood/

J Stezaker

http://www.theapproach.co.uk/artists/stezaker/

Cris Brodahl

http://www.theapproach.co.uk/artists/cris-brodahl/

Alison Wilding

http://www.karstenschubert.com/exhibitions/_142,8/

http://www.practicalphysics.org/go/Apparatus_1412.html;jsessionid=a1YM5Z0GDR_d?topic_id=$parameters.topic_id&collection_id=%24parameters.collection_id

Alpha particle, cloud chamber photograph.

Moquette

http://www.20thcenturylondon.org.uk/server.php?Who=&What=&Where=&When=&change=SearchResults&contentType=conObject&submit.x=41&submit.y=9&pp=10&search_word=&catId%5B6%5D%5B%5D=00200400o&&titleOrder=true&currentPage=257