By then Crosfield had the support of a team of talented researchers , installation engineers , a production facility and sales and administrative staff .
In 1966 the Heliostat , which applied an electric charge of several thousand volts to attract ink to paper , appeared .
Crosfield had the support of a team of talented researchers , installation engineers , a production facility and sales and administrative staff .
In 1966 the Heliostat , which applied an electric charge of several thousand volts to attract ink to paper , appeared .