This instrument has a soundboard of spruce; back, sides, head and scroll of maple; pegs, fingerboard, tail-gut protector of ebony; tailpiece and endpin holder of rosewood. The soundboard is wide grained. Dyed pear/poplar/dyed pear purfling. Ribs have a medium depth figure, the 2 piece back also has a medium depth figure, the figure going towards the bottom in the centre and up at the edges. Plugged holes at the top and bottom of the back. Instrument is covered in an orange varnish, possibly with a stain originally applied to the soundboard giving a reversed grain effect. One piece pegbox/scroll and neck. Neck 285mm long; fingerboard 605mm long, 32.9mm wide at the nut, 65.1mm wide at the bottom. Soundboard arch 31mm; Back arch 31mm.
General usage of type: This is the original model with deeper ribs than the later model. Specific usage history: brought to Britain for the International Congress on Acoustics, 1974; musical and scientific research programme at the Royal College of Music, London, funded by the Leverhulme Trust, 1976-79; University College, Cardiff, 1980-86; Faculty of Music, University of Edinburgh, 1987- .