This substantial four gaps bridge has, plated brass strips mounted on a wood
base. Plated brass terminals with 4mm sockets are provided to reduce unwanted resistance to a minimum and the gaps
are closed
by removable plated brass strips which are held in position by the terminals. The 0.56mm constantan wire
is stretched along
the top of a metre scale subdivided into millimeters and figured every centimeter. The ends of the
wire are securely clamped
to the terminating strips to reduce end errors to a negligible level. Supplied with jockey.
SIZE: 1.13m x 81mm x 50mm
approx.