Penny Lilac of the Penny Lilac was adapted from that used for revenue stamps in Britain from the early 1860s. In that respect it represented a break with 40 years of tradition in postage stamp design. Its predecessors (the Penny Black, the Penny Red and the Penny Venetian Red) all had rectangular designs. The use of the colour lilac for low value definitives was extended in 1884 when other low-value stamps were issued in lilac, with green then being used for higher-value stamps. The Penny Lilac was a surface-printed stamp and was issued in two forms: Penny Lilac stamps are often found
Penny & Giles Penny & Giles Penny & Giles (P&G) was a British engineering company in Dorset (former Hampshire) that made flight recorders (black boxes). The company was founded in 1956 by Prof William Alfred Penny and James Giles. It made high-reliability wire-wound potentiometers for aircraft in flight testing. In 1957 it made the first aircraft data recorder with magnetic recording on a stainless steel wire, known as a "black box". In 1963, the Ministry of Aviation informed the UK aircraft industry that all civil airliners would have to have flight data recorders. In April 1973, Penny and Giles Conductive Plastics received a