The cardboard envelope is removable, so the card can be easily inserted into any pocket. A protective cover is not required. Instead of shading, colored height layers are used. Handy format: 70×100 cm, printed on 2 sides.
The cardboard envelope is removable, so the card can be easily inserted into any pocket. A protective cover is not required. Instead of shading, colored height layers are used. Handy format: 70×100 cm, printed on 2 sides.
Title: Imray Chart C39. Author: Imray C Series. Publisher: Imray, Laurie, Norie & Wilson Ltd. The chart specification has been improved to show coloured light flashes. There has been general updating throughout.