A flexible length measuring instrument which is not necessarily straight in use is the tailor's fabric tape measure, a length of tape calibrated in inches and centimeters.
A manometer is an instrument that uses a column of liquid to measure pressure, although the term is often used nowadays to mean any pressure measuring instrument.
Television camera with mirror to see around, telescopic arm to dig small graben, and a bimetallic temperature-measuring instrument can be corresponded to them.
