Influence of line width on eye movements for six point type.
Effect of line width and leading on readability of newspaper type.
Speed of reading nine point type in relation to line width and leading.
However, this broadening must be carefully separated from other effects that can increase the line width.
For example, a single modification of the formula will modify the line width used for the entire figure.
The vise has two jaws (1 and 2 in the illustration) which are set to the desired line width.
It is notoriously difficult to reduce line width in the presence of this noise.
To decrease the line width further, long measurement times are necessary.
Increasing the temperature or pressure of the absorbing material will also tend to increase the line width.