His pencil drawing 'Looking Back' which took 700 hours and consists of over 6,000 pencil strokes was hung in 1981.

He also concluded that some of the tests had different patterns of pencil strokes and others had more consistent style patterns.

In the distance, the sky and water were separated clearly, like a thin pencil stroke drawn with a ruler.

He drew a line across the editorial, but the blue pencil stroke seemed tired and ended in a blur.

Far away, Lina saw a narrow gray line curving like a pencil stroke across a sweep of green.

Yes, one can believe how much trouble it takes to make a statement as sharp and emphatic as a pencil stroke.

Rupert's unhesitating pencil strokes were adding years and weight transforming a six-year-old image to its current-day counterpart.

A thin black pencil stroke lances down the heart of the red cone.

Agnes, drawn in a suggestive pencil stroke or two, is wary yet won over by this tormented, oddly appealing figure.

With each pencil stroke and frown I felt myself fade, lose bulk, like an astronaut too long in space.