A design or draught which has been divided into squares, in order to reproduce it in other dimensions
Reference marks, or measuring scale, placed at the focal plane of a telescope to aid object centring, or to make measurements
A network of longitude and latitude lines on a map or chart, providing the basis for a geographical coordinate system with the capability of relating points on a map to their true locations on the Earth
The grid formed by lines of latitude (parallels) and longitude (meridians) Reference: Matching the Map Projection to the Need
the CRT grid lines that facilitate the location and measurement of oscilloscope traces
{i} lines that represent parallels of longitude and latitude on maps and globes; network of lines placed in the focal plane of an eyepiece of an optical device (for visual guidance)