Junior Slider Switchboard / Junior H A Slider Dimmerboard  (1950)
Strand

Junior HA12 Slider Board (1963)

See also:

• Junior 8 (1963)

Documents

Junior Slider Switchboard Instructions 
[2.7Mb PDF]
From Frederick Brown Collection

Catalogue & Journal Entries for Junior Slider Switchboard / Junior H A Slider Dimmerboard in the Backstage Heritage Collection

Price List (1950)

Junior Type Stage Switchboard (1953)

Back to Control - Direct (Strand)