Consist of :
Stand Base and Rod, Steel plate 1 pc
Boss-head, Universal 1 pc
Bearing Pin 1 pc
Helical Spring 10 N/m 1 pc
Comprises a scale plate carrying a 0 to 30mm scale, and a movable vernier readable to 0.1mm. Both have bars with clamping screws for the wires and hooks for the tension weight and loading masses. A ceiling clamp is provided for the upper ends of the wires, together with a pair of large wood screws for attaching it to a convenient overhead beam, door frame etc.
A tension weight, mass 1.3 kg approx, for the comparison wire is also included.
Supplied WITHOUT load masses or wires.
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