Case (for drawing instrument)
A case of wood with black velvet inner lining, containing drawing instrument: ZBA4470.134. Hand written note in lid 'PLEASE, LEAVE ADJUSTING SCREW SLACK, LOOSE NOT [underlined] TIGHT. IN CENTRAL POSITION', ' CIRCLES SCALE 16 TO 20 GIVES CHORD LENGTHS ON SMALL LEG. FOR LONG LENGTHS FOR. RAD. ON LONG LEG (EQUAL CHORDS) [H in last 'chords' inserted in pencil. Pencil note underneath spelling mistake :' ILLITERATE SWEDE BASHER'.
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