The weight of the body and the traction and braking forces are taken by the conventional dished bogie centre pivot with phosphor-bronze liner; this type of centre pivot facilitates passage over marshalling yard humps.

So being outlaw'd (as 'tis told), / He with a crew went forth / Of lusty cutters, bold and strong, / And robbed in the north.

The unit is available with full scale, TTL compatible, frequency pulse output ranges of 2, 20, 200 and 1000 kHz and can overrange to 150%.

Stokes' theorem relates the integral over a surface of the curl of a vector field to a line integral around the boundary of that surface: ∫S∇⨯ mathbf F·d mathbf S=∫(∂S) mathbf F·d mathbf r,.