英和和英

an oscillatory circuit

a convergent pencil

a loop railway

an induction coil

circuit of an electric current, called {smoothing circuit}

the blockade-line

sentinel loop

an undulating curve

a trawl-net

a trawl

a circuit board

a curve, called envelope

curvilinear tracery

a divergent pencil

a catenary equation

the asymptote of the curve

an extension line

a bed on which railroad track is laid

an insulated wire

the line of flow

squaring the circle

contour ploughing

processional cross

a circuit

the chain-rule

funnel-shaped receptacle

line wound

frequency band

break a circuit

eccentric circles