A Caliper is simply a measuring device from a compass to intense instruments such as the vernier caliper acting as an advanced ruler. The vernier caliper uses vernier scale to measure more precisely. This instrument provides different methods of measuring including ways to measure external or internal dimensions as well as finding depth measurements. In fact the depth measurement method of using
. a movable and slide-able probe is so slender that it is able to retrieve data in deep canals. For more information, visit http://web.mit.edu/2.671/www/VernierCaliperNewsletterSpring05.pdf
