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Pair of Oxygen and Hydrogen Gauges and Equalisers

Pair of Oxygen and Hydrogen Gauges and Equalisers

Philips MXR 3B microphone equaliser

Philips MXR 3B microphone equaliser

BBC EV2/2 Equaliser

BBC EV2/2 Equaliser

circa 1931
BBC Equalisers, Variable - Rack of 3

BBC Equalisers, Variable - Rack of 3

circa 1962
BBC Equalisers, Variable - Rack of 3

BBC Equalisers, Variable - Rack of 3

circa 1962
BBC EV5/3/123 Equaliser

BBC EV5/3/123 Equaliser

1958
Rubber equaliser for acetylene generator. Rubber bag fitted between acetylene generator and jet to equalise gas flow.

Rubber equaliser for acetylene generator

Briggs Equaliser, for rescue work in mines

Briggs Equaliser

BBC EQ5/547 Video Line Equaliser, 1977-1979. A BBC "silver fronted unit" providing gain and EQ for long video cables. Three independent equalisers are provided. Two are similar to the EQ5/543 Video Line equalisers and the third is similar to the EQ5/548. The required components for correction were fitted on installation.

BBC EQ5/547 Video Line Equaliser

1977-1979