I took all these images myself of stuff I owned then. Rowland Hill designed a fast rotary printing machine for printing newspapers in 1835. which made use of large paper rolls. with the idea that the stamp tax be impressed during the printing. The Lords of the Treasury turned down the idea. He was proud of his press. In her biography of her father, Eleanor Hill Smith writes (page 71) “my father has been a school master, a rotary printing press inventor and a member of the South Australian Commission before he took up the cause of postal reform.” This is the original printing for the patent (6762) with a 35-page description by Hill and nine large-format engravings. A search on the WorldCat catalog shows only two libraries worldwide with this item. An autograph letter signed Charles Knight to Rowland Hill dated 1830, on publishing matters. You told me .. that you would be kind enough to look at the mathematical part of the enclosed proof. Hill credited Knight with the ide