I am amazed that you could buy the ‘Corn and Bunion Exterminater’ in booksellers in both Nottingham & Chesterfield. It may be worth asking in Waterstones if you wish to try them – let me know what kind of response you get!
The Nottinghamshire Guardian and Midland Advertiser (London, England), Thursday, May 24, 1849; pg. 2; Issue 162. 19th Century British Library Newspapers: Part II