معنی کلمه : checkstring
English
A cord by which a person in a carriage or horse car may signal to the driver.
Pertaining to, or obtained by, the pyrometer; as, pyrometrical instruments; pyrometrical measurements.

A cord by which a person in a carriage or horse car may signal to the driver.
Pertaining to, or obtained by, the pyrometer; as, pyrometrical instruments; pyrometrical measurements.