IS 1779 : 1961 Specification for 4-metre, Levelling Staff, Folding Type

1 Scope

1.1 This standard covers the requirements of the folding type oflevelling staff, 4 m in length, used in territory levelling toprovide height control for topographical or engineering surveys.

2 References

IS 1491 : 1959 Metricscales for architectural purposes

IS 1492 : 1959 Metricsurveying chains

IS 1632 : 1960Bubbles

IS 1764 : 1961 Troughcompass