Copper units of pressure or CUP, and the related lead units of pressure or LUP, are terms applied to pressure measurements used in the field of internal ballistics for the estimation of chamber ...

Historically, the changes in the height of the mercury were measured with a ruler, so barometric pressure used "inches of mercury" as a unit. Today, the metric units of the bar and the millibar are ...

It is difficult to overstate the fundamental role that pressure plays in construction and engineering applications – and ...