ClipArt ETC
Logarithmic graph (smooth curve) modeling the law of expansion with values of volume and pressure.

Logarithmic Graph of the Law of Expansion

Logarithmic graph (smooth curve) modeling the law of expansion with values of volume and pressure.

This sample of medium dark crosshatching is from the background of an engraving by Lazarus Gottlieb Sichling.

Medium Dark Crosshatching Example

This sample of medium dark crosshatching is from the background of an engraving by Lazarus Gottlieb…

"All's not gold that glitters." -Trowbridge, 1866

Value Rebus

"All's not gold that glitters." -Trowbridge, 1866