| In addition to clerical work, they also filled positions as parachute riggers, mechanics, radio operators, mapmakers, and welders. |
| In cartography, technology has continually changed in order to meet the demands of new generations of mapmakers and map users. |
| Both Lawrence Fitzgerald and Peter Trickett argue Jave la Grande is based on Portuguese sea charts, now lost, which the mapmakers of Dieppe misaligned. |
| The mapmakers continued to differ on the boundary between the lower Don and Samara well into the 19th century. |
| Later, other mapmakers extended the name America to the northern continent, In 1538, Gerard Mercator used America on his map of the world for all the Western Hemisphere. |
