some pictures of the London Science Museums' model of P S Ozone...
http://s185.photobucket.com/albums/x66/mjt60a/ps%20ozone/

I also took some pics of the models of small Thames steamers - mainly because I notice we have plans of them in the downloads section - and one is still available from 'http://www.taubmansonline.com/'; under the title 'Thames Penny Steamer'...
http://s185.photobucket.com/albums/x66/mjt60a/lcc%20steamers/