Magnetic tape sound recording and reproducing systems - Specification for time and address codes Ingestion-build-67170 This British Standard includes recommendations

This British Standard includes recommendations on the measures and equipment necessary for preventing the rapid spread of fire and for those required to assist firefighting in buildings with upper storeys beyond the reach of mobile fire appliances operating outside the building

The scale calibration is commonly verified by measuring the mass of the pendulum and its elevation at various scale readings

BS 4478 is an international standard used for Measurement of intermodulation products in electronic tubes or valves intended for use in colour television transposers

Endurance testing for residential meters revised to reflect better the in-service life-

and awareness

Magnetic tape sound recording and reproducing systems - Specification for time and address codes Ingestion-build-67170 This British Standard includes recommendations