Where the map and terrain are inconsistent, the feature becomes unusable: no using one sheet for each of the five colours; the various dot or line screens being added using dry transfer screens, for example Letratone manufactured by Letraset in the UK.
Where the map and terrain are inconsistent, the feature becomes unusable: no control point can be placed there. These were initially drawn by hand on tracing paper using one sheet for each of the five colours; the various dot or line screens being added using dry transfer screens, for example Letratone manufactured by Letraset in the UK.