Sub.

opisometer (прибор для измерения длины кривой линии на чертеже || An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines.

wikipedia.org)

Bauw.

measuring wheel; perambulator

Eisnbnw.

curve tracer

hydr.

contour tracing apparatus

curvometer (also: CURVIMETER: an instrument for measuring the length of a curve, the simplest form consisting essentially of a wheel that is rolled tangentially along the curve and a recording dial

merriam-webster.com)

messg.

map measurer (wikipedia.org); meilograph (wikipedia.org)

Navig.

curvometer

Tech.

curvimeter; opisometer; map measurer

Topol.

map-measurer

Wass.vork.

contour tracing apparatus apparatus

Russisch Thesaurus