1 March 2007 - World of Invention set on Royal Mail first day cover
The World of Invention stamp issue comprises of six self-adhesive stamps featuring landmarks in engineering and technology. Each of the inventions is illustrated in by Guardian cartoonist Peter Till with formatting and typography by Peter Willberg. On the backing paper a description of each invention is printed.
The stamps show Thomas Telford's bridges, the railway network, the telephone (Alexander Graham Bell), television (John Logie Baird), the World Wide Web (Sir Tim Berners-Lee), and a look to space tourism in the future.
Royal Mail cover with stamps cancelled with Edinburgh: Alexander Graham Bell postmark