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.
